21130694

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47807}}^1$

素因数の和:47839

約数の個数: 16

約数和(自身を含む): 36142848

約数和(自身を除く): 15012154

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 47807, 95614, 621491, 812719, 1242982, 1625438, 10565347, 21130694]

約数ペア:

[(1, 21130694), (2, 10565347), (13, 1625438), (17, 1242982), (26, 812719), (34, 621491), (221, 95614), (442, 47807)]