21625245

素因数分解:

$3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3907}}^1$

素因数の和:3962

約数の個数: 32

約数和(自身を含む): 39392640

約数和(自身を除く): 17767395

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 123, 135, 205, 369, 615, 1107, 1845, 3907, 5535, 11721, 19535, 35163, 58605, 105489, 160187, 175815, 480561, 527445, 800935, 1441683, 2402805, 4325049, 7208415, 21625245]

約数ペア:

[(1, 21625245), (3, 7208415), (5, 4325049), (9, 2402805), (15, 1441683), (27, 800935), (41, 527445), (45, 480561), (123, 175815), (135, 160187), (205, 105489), (369, 58605), (615, 35163), (1107, 19535), (1845, 11721), (3907, 5535)]