21290222

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{32957}}^1$

素因数の和:32995

約数の個数: 16

約数和(自身を含む): 35594640

約数和(自身を除く): 14304418

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 32957, 65914, 560269, 626183, 1120538, 1252366, 10645111, 21290222]

約数ペア:

[(1, 21290222), (2, 10645111), (17, 1252366), (19, 1120538), (34, 626183), (38, 560269), (323, 65914), (646, 32957)]