21398151120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{1571}}^1$

素因数の和:1738

約数の個数: 320

約数和(自身を含む): 72981043200

約数和(自身を除く): 51582892080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 29, 30, 38, 40, 48, 57, 58, 60, 76, 80, 87, 95, 103, 114, 116, 120, 145, 152, 174, 190, 206, 228, 232, 240, 285, 290, 304, 309, 348, 380, 412, 435, 456, 464, 515, 551, 570, 580, 618, 696, 760, 824, 870, 912, 1030, 1102, 1140, 1160, 1236, 1392, 1520, 1545, 1571, 1648, 1653, 1740, 1957, 2060, 2204, 2280, 2320, 2472, 2755, 2987, 3090, 3142, 3306, 3480, 3914, 4120, 4408, 4560, 4713, 4944, 5510, 5871, 5974, 6180, 6284, 6612, 6960, 7828, 7855, 8240, 8265, 8816, 8961, 9426, 9785, 11020, 11742, 11948, 12360, 12568, 13224, 14935, 15656, 15710, 16530, 17922, 18852, 19570, 22040, 23484, 23565, 23896, 24720, 25136, 26448, 29355, 29849, 29870, 31312, 31420, 33060, 35844, 37704, 39140, 44080, 44805, 45559, 46968, 47130, 47792, 56753, 58710, 59698, 59740, 62840, 66120, 71688, 75408, 78280, 89547, 89610, 91118, 93936, 94260, 113506, 117420, 119396, 119480, 125680, 132240, 136677, 143376, 149245, 156560, 161813, 170259, 179094, 179220, 182236, 188520, 227012, 227795, 234840, 238792, 238960, 273354, 283765, 298490, 323626, 340518, 358188, 358440, 364472, 377040, 447735, 454024, 455590, 469680, 477584, 485439, 546708, 567530, 596980, 647252, 681036, 683385, 716376, 716880, 728944, 809065, 851295, 865621, 895470, 908048, 911180, 970878, 1093416, 1135060, 1193960, 1294504, 1362072, 1366770, 1432752, 1618130, 1702590, 1731242, 1790940, 1822360, 1941756, 2186832, 2270120, 2387920, 2427195, 2589008, 2596863, 2724144, 2733540, 3074447, 3236260, 3405180, 3462484, 3581880, 3644720, 3883512, 4328105, 4540240, 4692577, 4854390, 5193726, 5467080, 6148894, 6472520, 6810360, 6924968, 7163760, 7767024, 8656210, 9223341, 9385154, 9708780, 10387452, 10934160, 12297788, 12945040, 12984315, 13620720, 13849936, 14077731, 15372235, 17312420, 18446682, 18770308, 19417560, 20774904, 23462885, 24595576, 25968630, 28155462, 30744470, 34624840, 36893364, 37540616, 38835120, 41549808, 46116705, 46925770, 49191152, 51937260, 56310924, 61488940, 69249680, 70388655, 73786728, 75081232, 89158963, 92233410, 93851540, 103874520, 112621848, 122977880, 140777310, 147573456, 178317926, 184466820, 187703080, 207749040, 225243696, 245955760, 267476889, 281554620, 356635852, 368933640, 375406160, 445794815, 534953778, 563109240, 713271704, 737867280, 891589630, 1069907556, 1126218480, 1337384445, 1426543408, 1783179260, 2139815112, 2674768890, 3566358520, 4279630224, 5349537780, 7132717040, 10699075560, 21398151120]

約数ペア:

[(1, 21398151120), (2, 10699075560), (3, 7132717040), (4, 5349537780), (5, 4279630224), (6, 3566358520), (8, 2674768890), (10, 2139815112), (12, 1783179260), (15, 1426543408), (16, 1337384445), (19, 1126218480), (20, 1069907556), (24, 891589630), (29, 737867280), (30, 713271704), (38, 563109240), (40, 534953778), (48, 445794815), (57, 375406160), (58, 368933640), (60, 356635852), (76, 281554620), (80, 267476889), (87, 245955760), (95, 225243696), (103, 207749040), (114, 187703080), (116, 184466820), (120, 178317926), (145, 147573456), (152, 140777310), (174, 122977880), (190, 112621848), (206, 103874520), (228, 93851540), (232, 92233410), (240, 89158963), (285, 75081232), (290, 73786728), (304, 70388655), (309, 69249680), (348, 61488940), (380, 56310924), (412, 51937260), (435, 49191152), (456, 46925770), (464, 46116705), (515, 41549808), (551, 38835120), (570, 37540616), (580, 36893364), (618, 34624840), (696, 30744470), (760, 28155462), (824, 25968630), (870, 24595576), (912, 23462885), (1030, 20774904), (1102, 19417560), (1140, 18770308), (1160, 18446682), (1236, 17312420), (1392, 15372235), (1520, 14077731), (1545, 13849936), (1571, 13620720), (1648, 12984315), (1653, 12945040), (1740, 12297788), (1957, 10934160), (2060, 10387452), (2204, 9708780), (2280, 9385154), (2320, 9223341), (2472, 8656210), (2755, 7767024), (2987, 7163760), (3090, 6924968), (3142, 6810360), (3306, 6472520), (3480, 6148894), (3914, 5467080), (4120, 5193726), (4408, 4854390), (4560, 4692577), (4713, 4540240), (4944, 4328105), (5510, 3883512), (5871, 3644720), (5974, 3581880), (6180, 3462484), (6284, 3405180), (6612, 3236260), (6960, 3074447), (7828, 2733540), (7855, 2724144), (8240, 2596863), (8265, 2589008), (8816, 2427195), (8961, 2387920), (9426, 2270120), (9785, 2186832), (11020, 1941756), (11742, 1822360), (11948, 1790940), (12360, 1731242), (12568, 1702590), (13224, 1618130), (14935, 1432752), (15656, 1366770), (15710, 1362072), (16530, 1294504), (17922, 1193960), (18852, 1135060), (19570, 1093416), (22040, 970878), (23484, 911180), (23565, 908048), (23896, 895470), (24720, 865621), (25136, 851295), (26448, 809065), (29355, 728944), (29849, 716880), (29870, 716376), (31312, 683385), (31420, 681036), (33060, 647252), (35844, 596980), (37704, 567530), (39140, 546708), (44080, 485439), (44805, 477584), (45559, 469680), (46968, 455590), (47130, 454024), (47792, 447735), (56753, 377040), (58710, 364472), (59698, 358440), (59740, 358188), (62840, 340518), (66120, 323626), (71688, 298490), (75408, 283765), (78280, 273354), (89547, 238960), (89610, 238792), (91118, 234840), (93936, 227795), (94260, 227012), (113506, 188520), (117420, 182236), (119396, 179220), (119480, 179094), (125680, 170259), (132240, 161813), (136677, 156560), (143376, 149245)]