2021055825

素因数分解:

$3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{379541}}^1$

素因数の和:379625

約数の個数: 24

約数和(自身を含む): 3388550976

約数和(自身を除く): 1367495151

約数列:

[1, 3, 5, 15, 25, 71, 75, 213, 355, 1065, 1775, 5325, 379541, 1138623, 1897705, 5693115, 9488525, 26947411, 28465575, 80842233, 134737055, 404211165, 673685275, 2021055825]

約数ペア:

[(1, 2021055825), (3, 673685275), (5, 404211165), (15, 134737055), (25, 80842233), (71, 28465575), (75, 26947411), (213, 9488525), (355, 5693115), (1065, 1897705), (1775, 1138623), (5325, 379541)]