2021643

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{467}}^1$

素因数の和:523

約数の個数: 24

約数和(自身を含む): 3236688

約数和(自身を除く): 1215045

約数列:

[1, 3, 9, 13, 37, 39, 111, 117, 333, 467, 481, 1401, 1443, 4203, 4329, 6071, 17279, 18213, 51837, 54639, 155511, 224627, 673881, 2021643]

約数ペア:

[(1, 2021643), (3, 673881), (9, 224627), (13, 155511), (37, 54639), (39, 51837), (111, 18213), (117, 17279), (333, 6071), (467, 4329), (481, 4203), (1401, 1443)]