21532575

素因数分解:

$3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{5417}}^1$

素因数の和:5483

約数の個数: 24

約数和(自身を含む): 36278928

約数和(自身を除く): 14746353

約数列:

[1, 3, 5, 15, 25, 53, 75, 159, 265, 795, 1325, 3975, 5417, 16251, 27085, 81255, 135425, 287101, 406275, 861303, 1435505, 4306515, 7177525, 21532575]

約数ペア:

[(1, 21532575), (3, 7177525), (5, 4306515), (15, 1435505), (25, 861303), (53, 406275), (75, 287101), (159, 135425), (265, 81255), (795, 27085), (1325, 16251), (3975, 5417)]