21379754

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{607}}^1\times {\mathrm{1601}}^1$

素因数の和:2221

約数の個数: 16

約数和(自身を含む): 35064576

約数和(自身を除く): 13684822

約数列:

[1, 2, 11, 22, 607, 1214, 1601, 3202, 6677, 13354, 17611, 35222, 971807, 1943614, 10689877, 21379754]

約数ペア:

[(1, 21379754), (2, 10689877), (11, 1943614), (22, 971807), (607, 35222), (1214, 17611), (1601, 13354), (3202, 6677)]