21085928

素因数分解:

$2^3\times {\mathrm{941}}^1\times {\mathrm{2801}}^1$

素因数の和:3748

約数の個数: 16

約数和(自身を含む): 39592260

約数和(自身を除く): 18506332

約数列:

[1, 2, 4, 8, 941, 1882, 2801, 3764, 5602, 7528, 11204, 22408, 2635741, 5271482, 10542964, 21085928]

約数ペア:

[(1, 21085928), (2, 10542964), (4, 5271482), (8, 2635741), (941, 22408), (1882, 11204), (2801, 7528), (3764, 5602)]