21247754

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{601}}^1\times {\mathrm{1607}}^1$

素因数の和:2221

約数の個数: 16

約数和(自身を含む): 34848576

約数和(自身を除く): 13600822

約数列:

[1, 2, 11, 22, 601, 1202, 1607, 3214, 6611, 13222, 17677, 35354, 965807, 1931614, 10623877, 21247754]

約数ペア:

[(1, 21247754), (2, 10623877), (11, 1931614), (22, 965807), (601, 35354), (1202, 17677), (1607, 13222), (3214, 6611)]