21086476080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{87860317}}^1$

素因数の和:87860333

約数の個数: 40

約数和(自身を含む): 65368076592

約数和(自身を除く): 44281600512

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 87860317, 175720634, 263580951, 351441268, 439301585, 527161902, 702882536, 878603170, 1054323804, 1317904755, 1405765072, 1757206340, 2108647608, 2635809510, 3514412680, 4217295216, 5271619020, 7028825360, 10543238040, 21086476080]

約数ペア:

[(1, 21086476080), (2, 10543238040), (3, 7028825360), (4, 5271619020), (5, 4217295216), (6, 3514412680), (8, 2635809510), (10, 2108647608), (12, 1757206340), (15, 1405765072), (16, 1317904755), (20, 1054323804), (24, 878603170), (30, 702882536), (40, 527161902), (48, 439301585), (60, 351441268), (80, 263580951), (120, 175720634), (240, 87860317)]