21723182

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{3251}}^1$

素因数の和:3523

約数の個数: 16

約数和(自身を含む): 35238672

約数和(自身を除く): 13515490

約数列:

[1, 2, 13, 26, 257, 514, 3251, 3341, 6502, 6682, 42263, 84526, 835507, 1671014, 10861591, 21723182]

約数ペア:

[(1, 21723182), (2, 10861591), (13, 1671014), (26, 835507), (257, 84526), (514, 42263), (3251, 6682), (3341, 6502)]