21718965180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{31}}^2\times {\mathrm{283}}^1$

素因数の和:390

約数の個数: 288

約数和(自身を含む): 69361415424

約数和(自身を除く): 47642450244

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 31, 33, 44, 55, 60, 62, 66, 93, 110, 121, 124, 132, 155, 165, 186, 220, 242, 283, 310, 330, 341, 363, 372, 465, 484, 566, 605, 620, 660, 682, 726, 849, 930, 961, 1023, 1132, 1210, 1331, 1364, 1415, 1452, 1698, 1705, 1815, 1860, 1922, 2046, 2420, 2662, 2830, 2883, 3113, 3396, 3410, 3630, 3751, 3844, 3993, 4092, 4245, 4805, 5115, 5324, 5660, 5766, 6226, 6655, 6820, 7260, 7502, 7986, 8490, 8773, 9339, 9610, 10230, 10571, 11253, 11532, 12452, 13310, 14415, 15004, 15565, 15972, 16980, 17546, 18678, 18755, 19220, 19965, 20460, 21142, 22506, 26319, 26620, 28830, 31130, 31713, 34243, 35092, 37356, 37510, 39930, 41261, 42284, 43865, 45012, 46695, 52638, 52855, 56265, 57660, 62260, 63426, 68486, 75020, 79860, 82522, 87730, 93390, 96503, 102729, 105276, 105710, 112530, 116281, 123783, 126852, 131595, 136972, 158565, 165044, 171215, 175460, 186780, 193006, 205458, 206305, 211420, 225060, 232562, 247566, 263190, 271963, 289509, 317130, 342430, 348843, 376673, 386012, 410916, 412610, 465124, 482515, 495132, 513645, 526380, 543926, 579018, 581405, 618915, 634260, 684860, 697686, 753346, 815889, 825220, 965030, 1027290, 1061533, 1087852, 1130019, 1158036, 1162810, 1237830, 1279091, 1359815, 1395372, 1447545, 1506692, 1631778, 1744215, 1883365, 1930060, 2054580, 2123066, 2260038, 2325620, 2475660, 2558182, 2719630, 2895090, 2991593, 3184599, 3263556, 3488430, 3766730, 3837273, 4079445, 4246132, 4520076, 5116364, 5307665, 5439260, 5650095, 5790180, 5983186, 6369198, 6395455, 6976860, 7533460, 7674546, 8158890, 8974779, 10615330, 11300190, 11676863, 11966372, 12738396, 12790910, 14957965, 15349092, 15922995, 16317780, 17949558, 19186365, 21230660, 22600380, 23353726, 25581820, 29915930, 31845990, 32907523, 35030589, 35899116, 38372730, 44873895, 46707452, 58384315, 59831860, 63691980, 65815046, 70061178, 76745460, 89747790, 98722569, 116768630, 131630092, 140122356, 164537615, 175152945, 179495580, 197445138, 233537260, 329075230, 350305890, 361982753, 394890276, 493612845, 658150460, 700611780, 723965506, 987225690, 1085948259, 1447931012, 1809913765, 1974451380, 2171896518, 3619827530, 4343793036, 5429741295, 7239655060, 10859482590, 21718965180]

約数ペア:

[(1, 21718965180), (2, 10859482590), (3, 7239655060), (4, 5429741295), (5, 4343793036), (6, 3619827530), (10, 2171896518), (11, 1974451380), (12, 1809913765), (15, 1447931012), (20, 1085948259), (22, 987225690), (30, 723965506), (31, 700611780), (33, 658150460), (44, 493612845), (55, 394890276), (60, 361982753), (62, 350305890), (66, 329075230), (93, 233537260), (110, 197445138), (121, 179495580), (124, 175152945), (132, 164537615), (155, 140122356), (165, 131630092), (186, 116768630), (220, 98722569), (242, 89747790), (283, 76745460), (310, 70061178), (330, 65815046), (341, 63691980), (363, 59831860), (372, 58384315), (465, 46707452), (484, 44873895), (566, 38372730), (605, 35899116), (620, 35030589), (660, 32907523), (682, 31845990), (726, 29915930), (849, 25581820), (930, 23353726), (961, 22600380), (1023, 21230660), (1132, 19186365), (1210, 17949558), (1331, 16317780), (1364, 15922995), (1415, 15349092), (1452, 14957965), (1698, 12790910), (1705, 12738396), (1815, 11966372), (1860, 11676863), (1922, 11300190), (2046, 10615330), (2420, 8974779), (2662, 8158890), (2830, 7674546), (2883, 7533460), (3113, 6976860), (3396, 6395455), (3410, 6369198), (3630, 5983186), (3751, 5790180), (3844, 5650095), (3993, 5439260), (4092, 5307665), (4245, 5116364), (4805, 4520076), (5115, 4246132), (5324, 4079445), (5660, 3837273), (5766, 3766730), (6226, 3488430), (6655, 3263556), (6820, 3184599), (7260, 2991593), (7502, 2895090), (7986, 2719630), (8490, 2558182), (8773, 2475660), (9339, 2325620), (9610, 2260038), (10230, 2123066), (10571, 2054580), (11253, 1930060), (11532, 1883365), (12452, 1744215), (13310, 1631778), (14415, 1506692), (15004, 1447545), (15565, 1395372), (15972, 1359815), (16980, 1279091), (17546, 1237830), (18678, 1162810), (18755, 1158036), (19220, 1130019), (19965, 1087852), (20460, 1061533), (21142, 1027290), (22506, 965030), (26319, 825220), (26620, 815889), (28830, 753346), (31130, 697686), (31713, 684860), (34243, 634260), (35092, 618915), (37356, 581405), (37510, 579018), (39930, 543926), (41261, 526380), (42284, 513645), (43865, 495132), (45012, 482515), (46695, 465124), (52638, 412610), (52855, 410916), (56265, 386012), (57660, 376673), (62260, 348843), (63426, 342430), (68486, 317130), (75020, 289509), (79860, 271963), (82522, 263190), (87730, 247566), (93390, 232562), (96503, 225060), (102729, 211420), (105276, 206305), (105710, 205458), (112530, 193006), (116281, 186780), (123783, 175460), (126852, 171215), (131595, 165044), (136972, 158565)]