21420122

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{2693}}^1$

素因数の和:2833

約数の個数: 16

約数和(自身を含む): 33265512

約数和(自身を除く): 11845390

約数列:

[1, 2, 41, 82, 97, 194, 2693, 3977, 5386, 7954, 110413, 220826, 261221, 522442, 10710061, 21420122]

約数ペア:

[(1, 21420122), (2, 10710061), (41, 522442), (82, 261221), (97, 220826), (194, 110413), (2693, 7954), (3977, 5386)]