21154922

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{2939}}^1$

素因数の和:3061

約数の個数: 16

約数和(自身を含む): 32810400

約数和(自身を除く): 11655478

約数列:

[1, 2, 59, 61, 118, 122, 2939, 3599, 5878, 7198, 173401, 179279, 346802, 358558, 10577461, 21154922]

約数ペア:

[(1, 21154922), (2, 10577461), (59, 358558), (61, 346802), (118, 179279), (122, 173401), (2939, 7198), (3599, 5878)]