21436440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4357}}^1$

素因数の和:4412

約数の個数: 64

約数和(自身を含む): 65892960

約数和(自身を除く): 44456520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 120, 123, 164, 205, 246, 328, 410, 492, 615, 820, 984, 1230, 1640, 2460, 4357, 4920, 8714, 13071, 17428, 21785, 26142, 34856, 43570, 52284, 65355, 87140, 104568, 130710, 174280, 178637, 261420, 357274, 522840, 535911, 714548, 893185, 1071822, 1429096, 1786370, 2143644, 2679555, 3572740, 4287288, 5359110, 7145480, 10718220, 21436440]

約数ペア:

[(1, 21436440), (2, 10718220), (3, 7145480), (4, 5359110), (5, 4287288), (6, 3572740), (8, 2679555), (10, 2143644), (12, 1786370), (15, 1429096), (20, 1071822), (24, 893185), (30, 714548), (40, 535911), (41, 522840), (60, 357274), (82, 261420), (120, 178637), (123, 174280), (164, 130710), (205, 104568), (246, 87140), (328, 65355), (410, 52284), (492, 43570), (615, 34856), (820, 26142), (984, 21785), (1230, 17428), (1640, 13071), (2460, 8714), (4357, 4920)]