21098936

素因数分解:

$2^3\times {\mathrm{1621}}^1\times {\mathrm{1627}}^1$

素因数の和:3254

約数の個数: 16

約数和(自身を含む): 39609240

約数和(自身を除く): 18510304

約数列:

[1, 2, 4, 8, 1621, 1627, 3242, 3254, 6484, 6508, 12968, 13016, 2637367, 5274734, 10549468, 21098936]

約数ペア:

[(1, 21098936), (2, 10549468), (4, 5274734), (8, 2637367), (1621, 13016), (1627, 12968), (3242, 6508), (3254, 6484)]