21070612

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{142369}}^1$

素因数の和:142410

約数の個数: 12

約数和(自身を含む): 37870420

約数和(自身を除く): 16799808

約数列:

[1, 2, 4, 37, 74, 148, 142369, 284738, 569476, 5267653, 10535306, 21070612]

約数ペア:

[(1, 21070612), (2, 10535306), (4, 5267653), (37, 569476), (74, 284738), (148, 142369)]