21137294

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{233}}^1\times {\mathrm{677}}^1$

素因数の和:979

約数の個数: 16

約数和(自身を含む): 32365008

約数和(自身を除く): 11227714

約数列:

[1, 2, 67, 134, 233, 466, 677, 1354, 15611, 31222, 45359, 90718, 157741, 315482, 10568647, 21137294]

約数ペア:

[(1, 21137294), (2, 10568647), (67, 315482), (134, 157741), (233, 90718), (466, 45359), (677, 31222), (1354, 15611)]