21683914

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{25391}}^1$

素因数の和:25461

約数の個数: 16

約数和(自身を含む): 37783296

約数和(自身を除く): 16099382

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 25391, 50782, 177737, 355474, 1548851, 3097702, 10841957, 21683914]

約数ペア:

[(1, 21683914), (2, 10841957), (7, 3097702), (14, 1548851), (61, 355474), (122, 177737), (427, 50782), (854, 25391)]