21618118

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{2801}}^1$

素因数の和:3047

約数の個数: 16

約数和(自身を含む): 34498224

約数和(自身を除く): 12880106

約数列:

[1, 2, 17, 34, 227, 454, 2801, 3859, 5602, 7718, 47617, 95234, 635827, 1271654, 10809059, 21618118]

約数ペア:

[(1, 21618118), (2, 10809059), (17, 1271654), (34, 635827), (227, 95234), (454, 47617), (2801, 7718), (3859, 5602)]