21418320

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:114

約数の個数: 320

約数和(自身を含む): 88565760

約数和(自身を除く): 67147440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 19, 20, 21, 22, 24, 28, 30, 33, 35, 38, 40, 42, 44, 48, 55, 56, 57, 60, 61, 66, 70, 76, 77, 80, 84, 88, 95, 105, 110, 112, 114, 120, 122, 132, 133, 140, 152, 154, 165, 168, 176, 183, 190, 209, 210, 220, 228, 231, 240, 244, 264, 266, 280, 285, 304, 305, 308, 330, 336, 366, 380, 385, 399, 418, 420, 427, 440, 456, 462, 488, 528, 532, 560, 570, 610, 616, 627, 660, 665, 671, 732, 760, 770, 798, 836, 840, 854, 880, 912, 915, 924, 976, 1045, 1064, 1140, 1155, 1159, 1220, 1232, 1254, 1281, 1320, 1330, 1342, 1463, 1464, 1520, 1540, 1596, 1672, 1680, 1708, 1830, 1848, 1995, 2013, 2090, 2128, 2135, 2280, 2310, 2318, 2440, 2508, 2562, 2640, 2660, 2684, 2926, 2928, 3080, 3135, 3192, 3344, 3355, 3416, 3477, 3660, 3696, 3990, 4026, 4180, 4270, 4389, 4560, 4620, 4636, 4697, 4880, 5016, 5124, 5320, 5368, 5795, 5852, 6160, 6270, 6384, 6405, 6710, 6832, 6954, 7315, 7320, 7980, 8052, 8113, 8360, 8540, 8778, 9240, 9272, 9394, 10032, 10065, 10248, 10640, 10736, 11590, 11704, 12540, 12749, 12810, 13420, 13908, 14091, 14630, 14640, 15960, 16104, 16226, 16720, 17080, 17385, 17556, 18480, 18544, 18788, 20130, 20496, 21945, 23180, 23408, 23485, 24339, 25080, 25498, 25620, 26840, 27816, 28182, 29260, 31920, 32208, 32452, 34160, 34770, 35112, 37576, 38247, 40260, 40565, 43890, 46360, 46970, 48678, 50160, 50996, 51240, 53680, 55632, 56364, 58520, 63745, 64904, 69540, 70224, 70455, 75152, 76494, 80520, 81130, 87780, 89243, 92720, 93940, 97356, 101992, 102480, 112728, 117040, 121695, 127490, 129808, 139080, 140910, 152988, 161040, 162260, 175560, 178486, 187880, 191235, 194712, 203984, 225456, 243390, 254980, 267729, 278160, 281820, 305976, 324520, 351120, 356972, 375760, 382470, 389424, 446215, 486780, 509960, 535458, 563640, 611952, 649040, 713944, 764940, 892430, 973560, 1019920, 1070916, 1127280, 1338645, 1427888, 1529880, 1784860, 1947120, 2141832, 2677290, 3059760, 3569720, 4283664, 5354580, 7139440, 10709160, 21418320]

約数ペア:

[(1, 21418320), (2, 10709160), (3, 7139440), (4, 5354580), (5, 4283664), (6, 3569720), (7, 3059760), (8, 2677290), (10, 2141832), (11, 1947120), (12, 1784860), (14, 1529880), (15, 1427888), (16, 1338645), (19, 1127280), (20, 1070916), (21, 1019920), (22, 973560), (24, 892430), (28, 764940), (30, 713944), (33, 649040), (35, 611952), (38, 563640), (40, 535458), (42, 509960), (44, 486780), (48, 446215), (55, 389424), (56, 382470), (57, 375760), (60, 356972), (61, 351120), (66, 324520), (70, 305976), (76, 281820), (77, 278160), (80, 267729), (84, 254980), (88, 243390), (95, 225456), (105, 203984), (110, 194712), (112, 191235), (114, 187880), (120, 178486), (122, 175560), (132, 162260), (133, 161040), (140, 152988), (152, 140910), (154, 139080), (165, 129808), (168, 127490), (176, 121695), (183, 117040), (190, 112728), (209, 102480), (210, 101992), (220, 97356), (228, 93940), (231, 92720), (240, 89243), (244, 87780), (264, 81130), (266, 80520), (280, 76494), (285, 75152), (304, 70455), (305, 70224), (308, 69540), (330, 64904), (336, 63745), (366, 58520), (380, 56364), (385, 55632), (399, 53680), (418, 51240), (420, 50996), (427, 50160), (440, 48678), (456, 46970), (462, 46360), (488, 43890), (528, 40565), (532, 40260), (560, 38247), (570, 37576), (610, 35112), (616, 34770), (627, 34160), (660, 32452), (665, 32208), (671, 31920), (732, 29260), (760, 28182), (770, 27816), (798, 26840), (836, 25620), (840, 25498), (854, 25080), (880, 24339), (912, 23485), (915, 23408), (924, 23180), (976, 21945), (1045, 20496), (1064, 20130), (1140, 18788), (1155, 18544), (1159, 18480), (1220, 17556), (1232, 17385), (1254, 17080), (1281, 16720), (1320, 16226), (1330, 16104), (1342, 15960), (1463, 14640), (1464, 14630), (1520, 14091), (1540, 13908), (1596, 13420), (1672, 12810), (1680, 12749), (1708, 12540), (1830, 11704), (1848, 11590), (1995, 10736), (2013, 10640), (2090, 10248), (2128, 10065), (2135, 10032), (2280, 9394), (2310, 9272), (2318, 9240), (2440, 8778), (2508, 8540), (2562, 8360), (2640, 8113), (2660, 8052), (2684, 7980), (2926, 7320), (2928, 7315), (3080, 6954), (3135, 6832), (3192, 6710), (3344, 6405), (3355, 6384), (3416, 6270), (3477, 6160), (3660, 5852), (3696, 5795), (3990, 5368), (4026, 5320), (4180, 5124), (4270, 5016), (4389, 4880), (4560, 4697), (4620, 4636)]