20211470

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{118891}}^1$

素因数の和:118915

約数の個数: 16

約数和(自身を含む): 38521008

約数和(自身を除く): 18309538

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 118891, 237782, 594455, 1188910, 2021147, 4042294, 10105735, 20211470]

約数ペア:

[(1, 20211470), (2, 10105735), (5, 4042294), (10, 2021147), (17, 1188910), (34, 594455), (85, 237782), (170, 118891)]