21348165

素因数分解:

$3^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{4547}}^1$

素因数の和:4868

約数の個数: 16

約数和(自身を含む): 34273728

約数和(自身を除く): 12925563

約数列:

[1, 3, 5, 15, 313, 939, 1565, 4547, 4695, 13641, 22735, 68205, 1423211, 4269633, 7116055, 21348165]

約数ペア:

[(1, 21348165), (3, 7116055), (5, 4269633), (15, 1423211), (313, 68205), (939, 22735), (1565, 13641), (4547, 4695)]