21925735

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{7177}}^1$

素因数の和:7242

約数の個数: 16

約数和(自身を含む): 28941696

約数和(自身を除く): 7015961

約数列:

[1, 5, 13, 47, 65, 235, 611, 3055, 7177, 35885, 93301, 337319, 466505, 1686595, 4385147, 21925735]

約数ペア:

[(1, 21925735), (5, 4385147), (13, 1686595), (47, 466505), (65, 337319), (235, 93301), (611, 35885), (3055, 7177)]