21660270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{3989}}^1$

素因数の和:4180

約数の個数: 32

約数和(自身を含む): 52284960

約数和(自身を除く): 30624690

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 181, 362, 543, 905, 1086, 1810, 2715, 3989, 5430, 7978, 11967, 19945, 23934, 39890, 59835, 119670, 722009, 1444018, 2166027, 3610045, 4332054, 7220090, 10830135, 21660270]

約数ペア:

[(1, 21660270), (2, 10830135), (3, 7220090), (5, 4332054), (6, 3610045), (10, 2166027), (15, 1444018), (30, 722009), (181, 119670), (362, 59835), (543, 39890), (905, 23934), (1086, 19945), (1810, 11967), (2715, 7978), (3989, 5430)]