21875171975

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{3917}}^1\times {\mathrm{7703}}^1$

素因数の和:11659

約数の個数: 24

約数和(自身を含む): 28071372960

約数和(自身を除く): 6196200985

約数列:

[1, 5, 25, 29, 145, 725, 3917, 7703, 19585, 38515, 97925, 113593, 192575, 223387, 567965, 1116935, 2839825, 5584675, 30172651, 150863255, 754316275, 875006879, 4375034395, 21875171975]

約数ペア:

[(1, 21875171975), (5, 4375034395), (25, 875006879), (29, 754316275), (145, 150863255), (725, 30172651), (3917, 5584675), (7703, 2839825), (19585, 1116935), (38515, 567965), (97925, 223387), (113593, 192575)]