21494246

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{151}}^1\times {\mathrm{691}}^1$

素因数の和:947

約数の個数: 16

約数和(自身を含む): 32817408

約数和(自身を除く): 11323162

約数列:

[1, 2, 103, 151, 206, 302, 691, 1382, 15553, 31106, 71173, 104341, 142346, 208682, 10747123, 21494246]

約数ペア:

[(1, 21494246), (2, 10747123), (103, 208682), (151, 142346), (206, 104341), (302, 71173), (691, 31106), (1382, 15553)]