21948605

素因数分解:

$5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{4153}}^1$

素因数の和:4316

約数の個数: 16

約数和(自身を含む): 30307584

約数和(自身を除く): 8358979

約数列:

[1, 5, 7, 35, 151, 755, 1057, 4153, 5285, 20765, 29071, 145355, 627103, 3135515, 4389721, 21948605]

約数ペア:

[(1, 21948605), (5, 4389721), (7, 3135515), (35, 627103), (151, 145355), (755, 29071), (1057, 20765), (4153, 5285)]