21283288

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{5531}}^1$

素因数の和:5587

約数の個数: 32

約数和(自身を含む): 44145360

約数和(自身を除く): 22862072

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 104, 148, 296, 481, 962, 1924, 3848, 5531, 11062, 22124, 44248, 71903, 143806, 204647, 287612, 409294, 575224, 818588, 1637176, 2660411, 5320822, 10641644, 21283288]

約数ペア:

[(1, 21283288), (2, 10641644), (4, 5320822), (8, 2660411), (13, 1637176), (26, 818588), (37, 575224), (52, 409294), (74, 287612), (104, 204647), (148, 143806), (296, 71903), (481, 44248), (962, 22124), (1924, 11062), (3848, 5531)]