21572730

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{26633}}^1$

素因数の和:26652

約数の個数: 40

約数和(自身を含む): 58008852

約数和(自身を除く): 36436122

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 26633, 53266, 79899, 133165, 159798, 239697, 266330, 399495, 479394, 719091, 798990, 1198485, 1438182, 2157273, 2396970, 3595455, 4314546, 7190910, 10786365, 21572730]

約数ペア:

[(1, 21572730), (2, 10786365), (3, 7190910), (5, 4314546), (6, 3595455), (9, 2396970), (10, 2157273), (15, 1438182), (18, 1198485), (27, 798990), (30, 719091), (45, 479394), (54, 399495), (81, 266330), (90, 239697), (135, 159798), (162, 133165), (270, 79899), (405, 53266), (810, 26633)]