21113415

素因数分解:

$3^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{1499}}^1$

素因数の和:1823

約数の個数: 24

約数和(自身を含む): 36738000

約数和(自身を除く): 15624585

約数列:

[1, 3, 5, 9, 15, 45, 313, 939, 1499, 1565, 2817, 4497, 4695, 7495, 13491, 14085, 22485, 67455, 469187, 1407561, 2345935, 4222683, 7037805, 21113415]

約数ペア:

[(1, 21113415), (3, 7037805), (5, 4222683), (9, 2345935), (15, 1407561), (45, 469187), (313, 67455), (939, 22485), (1499, 14085), (1565, 13491), (2817, 7495), (4497, 4695)]