21075825

素因数分解:

$3^1\times 5^2\times {\mathrm{151}}^1\times {\mathrm{1861}}^1$

素因数の和:2025

約数の個数: 24

約数和(自身を含む): 35094976

約数和(自身を除く): 14019151

約数列:

[1, 3, 5, 15, 25, 75, 151, 453, 755, 1861, 2265, 3775, 5583, 9305, 11325, 27915, 46525, 139575, 281011, 843033, 1405055, 4215165, 7025275, 21075825]

約数ペア:

[(1, 21075825), (3, 7025275), (5, 4215165), (15, 1405055), (25, 843033), (75, 281011), (151, 139575), (453, 46525), (755, 27915), (1861, 11325), (2265, 9305), (3775, 5583)]