21326708

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{1217}}^1$

素因数の和:1571

約数の個数: 24

約数和(自身を含む): 40345032

約数和(自身を除く): 19018324

約数列:

[1, 2, 4, 13, 26, 52, 337, 674, 1217, 1348, 2434, 4381, 4868, 8762, 15821, 17524, 31642, 63284, 410129, 820258, 1640516, 5331677, 10663354, 21326708]

約数ペア:

[(1, 21326708), (2, 10663354), (4, 5331677), (13, 1640516), (26, 820258), (52, 410129), (337, 63284), (674, 31642), (1217, 17524), (1348, 15821), (2434, 8762), (4381, 4868)]