21216334560

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{35617}}^1$

素因数の和:35725

約数の個数: 192

約数和(自身を含む): 71734082112

約数和(自身を除く): 50517747552

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 68, 73, 80, 85, 96, 102, 120, 136, 146, 160, 170, 204, 219, 240, 255, 272, 292, 340, 365, 408, 438, 480, 510, 544, 584, 680, 730, 816, 876, 1020, 1095, 1168, 1241, 1360, 1460, 1632, 1752, 2040, 2190, 2336, 2482, 2720, 2920, 3504, 3723, 4080, 4380, 4964, 5840, 6205, 7008, 7446, 8160, 8760, 9928, 11680, 12410, 14892, 17520, 18615, 19856, 24820, 29784, 35040, 35617, 37230, 39712, 49640, 59568, 71234, 74460, 99280, 106851, 119136, 142468, 148920, 178085, 198560, 213702, 284936, 297840, 356170, 427404, 534255, 569872, 595680, 605489, 712340, 854808, 1068510, 1139744, 1210978, 1424680, 1709616, 1816467, 2137020, 2421956, 2600041, 2849360, 3027445, 3419232, 3632934, 4274040, 4843912, 5200082, 5698720, 6054890, 7265868, 7800123, 8548080, 9082335, 9687824, 10400164, 12109780, 13000205, 14531736, 15600246, 17096160, 18164670, 19375648, 20800328, 24219560, 26000410, 29063472, 31200492, 36329340, 39000615, 41600656, 44200697, 48439120, 52000820, 58126944, 62400984, 72658680, 78001230, 83201312, 88401394, 96878240, 104001640, 124801968, 132602091, 145317360, 156002460, 176802788, 208003280, 221003485, 249603936, 265204182, 290634720, 312004920, 353605576, 416006560, 442006970, 530408364, 624009840, 663010455, 707211152, 884013940, 1060816728, 1248019680, 1326020910, 1414422304, 1768027880, 2121633456, 2652041820, 3536055760, 4243266912, 5304083640, 7072111520, 10608167280, 21216334560]

約数ペア:

[(1, 21216334560), (2, 10608167280), (3, 7072111520), (4, 5304083640), (5, 4243266912), (6, 3536055760), (8, 2652041820), (10, 2121633456), (12, 1768027880), (15, 1414422304), (16, 1326020910), (17, 1248019680), (20, 1060816728), (24, 884013940), (30, 707211152), (32, 663010455), (34, 624009840), (40, 530408364), (48, 442006970), (51, 416006560), (60, 353605576), (68, 312004920), (73, 290634720), (80, 265204182), (85, 249603936), (96, 221003485), (102, 208003280), (120, 176802788), (136, 156002460), (146, 145317360), (160, 132602091), (170, 124801968), (204, 104001640), (219, 96878240), (240, 88401394), (255, 83201312), (272, 78001230), (292, 72658680), (340, 62400984), (365, 58126944), (408, 52000820), (438, 48439120), (480, 44200697), (510, 41600656), (544, 39000615), (584, 36329340), (680, 31200492), (730, 29063472), (816, 26000410), (876, 24219560), (1020, 20800328), (1095, 19375648), (1168, 18164670), (1241, 17096160), (1360, 15600246), (1460, 14531736), (1632, 13000205), (1752, 12109780), (2040, 10400164), (2190, 9687824), (2336, 9082335), (2482, 8548080), (2720, 7800123), (2920, 7265868), (3504, 6054890), (3723, 5698720), (4080, 5200082), (4380, 4843912), (4964, 4274040), (5840, 3632934), (6205, 3419232), (7008, 3027445), (7446, 2849360), (8160, 2600041), (8760, 2421956), (9928, 2137020), (11680, 1816467), (12410, 1709616), (14892, 1424680), (17520, 1210978), (18615, 1139744), (19856, 1068510), (24820, 854808), (29784, 712340), (35040, 605489), (35617, 595680), (37230, 569872), (39712, 534255), (49640, 427404), (59568, 356170), (71234, 297840), (74460, 284936), (99280, 213702), (106851, 198560), (119136, 178085), (142468, 148920)]