21588556

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{1171}}^1$

素因数の和:1605

約数の個数: 24

約数和(自身を含む): 41348160

約数和(自身を除く): 19759604

約数列:

[1, 2, 4, 11, 22, 44, 419, 838, 1171, 1676, 2342, 4609, 4684, 9218, 12881, 18436, 25762, 51524, 490649, 981298, 1962596, 5397139, 10794278, 21588556]

約数ペア:

[(1, 21588556), (2, 10794278), (4, 5397139), (11, 1962596), (22, 981298), (44, 490649), (419, 51524), (838, 25762), (1171, 18436), (1676, 12881), (2342, 9218), (4609, 4684)]