21030858

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{40289}}^1$

素因数の和:40326

約数の個数: 24

約数和(自身を含む): 47139300

約数和(自身を除く): 26108442

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 174, 261, 522, 40289, 80578, 120867, 241734, 362601, 725202, 1168381, 2336762, 3505143, 7010286, 10515429, 21030858]

約数ペア:

[(1, 21030858), (2, 10515429), (3, 7010286), (6, 3505143), (9, 2336762), (18, 1168381), (29, 725202), (58, 362601), (87, 241734), (174, 120867), (261, 80578), (522, 40289)]