21476750

素因数分解:

$2^1\times 5^3\times {\mathrm{271}}^1\times {\mathrm{317}}^1$

素因数の和:605

約数の個数: 32

約数和(自身を含む): 40480128

約数和(自身を除く): 19003378

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 271, 317, 542, 634, 1355, 1585, 2710, 3170, 6775, 7925, 13550, 15850, 33875, 39625, 67750, 79250, 85907, 171814, 429535, 859070, 2147675, 4295350, 10738375, 21476750]

約数ペア:

[(1, 21476750), (2, 10738375), (5, 4295350), (10, 2147675), (25, 859070), (50, 429535), (125, 171814), (250, 85907), (271, 79250), (317, 67750), (542, 39625), (634, 33875), (1355, 15850), (1585, 13550), (2710, 7925), (3170, 6775)]