21790096

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{17239}}^1$

素因数の和:17326

約数の個数: 20

約数和(自身を含む): 42755200

約数和(自身を除く): 20965104

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 17239, 34478, 68956, 137912, 275824, 1361881, 2723762, 5447524, 10895048, 21790096]

約数ペア:

[(1, 21790096), (2, 10895048), (4, 5447524), (8, 2723762), (16, 1361881), (79, 275824), (158, 137912), (316, 68956), (632, 34478), (1264, 17239)]