21819170

素因数分解:

$2^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{19309}}^1$

素因数の和:19429

約数の個数: 16

約数和(自身を含む): 39624120

約数和(自身を除く): 17804950

約数列:

[1, 2, 5, 10, 113, 226, 565, 1130, 19309, 38618, 96545, 193090, 2181917, 4363834, 10909585, 21819170]

約数ペア:

[(1, 21819170), (2, 10909585), (5, 4363834), (10, 2181917), (113, 193090), (226, 96545), (565, 38618), (1130, 19309)]