21514015

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{1103}}^1$

素因数の和:1238

約数の個数: 16

約数和(自身を含む): 26707968

約数和(自身を除く): 5193953

約数列:

[1, 5, 47, 83, 235, 415, 1103, 3901, 5515, 19505, 51841, 91549, 259205, 457745, 4302803, 21514015]

約数ペア:

[(1, 21514015), (5, 4302803), (47, 457745), (83, 259205), (235, 91549), (415, 51841), (1103, 19505), (3901, 5515)]