21897746

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{5167}}^1$

素因数の和:5345

約数の個数: 16

約数和(自身を含む): 35597184

約数和(自身を除く): 13699438

約数列:

[1, 2, 13, 26, 163, 326, 2119, 4238, 5167, 10334, 67171, 134342, 842221, 1684442, 10948873, 21897746]

約数ペア:

[(1, 21897746), (2, 10948873), (13, 1684442), (26, 842221), (163, 134342), (326, 67171), (2119, 10334), (4238, 5167)]