21999388080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2956907}}^1$

素因数の和:2956954

約数の個数: 80

約数和(自身を含む): 70398065664

約数和(自身を除く): 48398677584

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 2956907, 5913814, 8870721, 11827628, 14784535, 17741442, 23655256, 29569070, 35482884, 44353605, 47310512, 59138140, 70965768, 88707210, 91664117, 118276280, 141931536, 177414420, 183328234, 236552560, 274992351, 354828840, 366656468, 458320585, 549984702, 709657680, 733312936, 916641170, 1099969404, 1374961755, 1466625872, 1833282340, 2199938808, 2749923510, 3666564680, 4399877616, 5499847020, 7333129360, 10999694040, 21999388080]

約数ペア:

[(1, 21999388080), (2, 10999694040), (3, 7333129360), (4, 5499847020), (5, 4399877616), (6, 3666564680), (8, 2749923510), (10, 2199938808), (12, 1833282340), (15, 1466625872), (16, 1374961755), (20, 1099969404), (24, 916641170), (30, 733312936), (31, 709657680), (40, 549984702), (48, 458320585), (60, 366656468), (62, 354828840), (80, 274992351), (93, 236552560), (120, 183328234), (124, 177414420), (155, 141931536), (186, 118276280), (240, 91664117), (248, 88707210), (310, 70965768), (372, 59138140), (465, 47310512), (496, 44353605), (620, 35482884), (744, 29569070), (930, 23655256), (1240, 17741442), (1488, 14784535), (1860, 11827628), (2480, 8870721), (3720, 5913814), (7440, 2956907)]