21058690

素因数分解:

$2^1\times 5^1\times {\mathrm{569}}^1\times {\mathrm{3701}}^1$

素因数の和:4277

約数の個数: 16

約数和(自身を含む): 37982520

約数和(自身を除く): 16923830

約数列:

[1, 2, 5, 10, 569, 1138, 2845, 3701, 5690, 7402, 18505, 37010, 2105869, 4211738, 10529345, 21058690]

約数ペア:

[(1, 21058690), (2, 10529345), (5, 4211738), (10, 2105869), (569, 37010), (1138, 18505), (2845, 7402), (3701, 5690)]