21252010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163477}}^1$

素因数の和:163497

約数の個数: 16

約数和(自身を含む): 41196456

約数和(自身を除く): 19944446

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 163477, 326954, 817385, 1634770, 2125201, 4250402, 10626005, 21252010]

約数ペア:

[(1, 21252010), (2, 10626005), (5, 4250402), (10, 2125201), (13, 1634770), (26, 817385), (65, 326954), (130, 163477)]