21185673

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{1549}}^1$

素因数の和:1696

約数の個数: 16

約数和(自身を含む): 29164800

約数和(自身を除く): 7979127

約数列:

[1, 3, 47, 97, 141, 291, 1549, 4559, 4647, 13677, 72803, 150253, 218409, 450759, 7061891, 21185673]

約数ペア:

[(1, 21185673), (3, 7061891), (47, 450759), (97, 218409), (141, 150253), (291, 72803), (1549, 13677), (4559, 4647)]