21150404

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{557}}^1\times {\mathrm{863}}^1$

素因数の和:1435

約数の個数: 24

約数和(自身を含む): 40497408

約数和(自身を除く): 19347004

約数列:

[1, 2, 4, 11, 22, 44, 557, 863, 1114, 1726, 2228, 3452, 6127, 9493, 12254, 18986, 24508, 37972, 480691, 961382, 1922764, 5287601, 10575202, 21150404]

約数ペア:

[(1, 21150404), (2, 10575202), (4, 5287601), (11, 1922764), (22, 961382), (44, 480691), (557, 37972), (863, 24508), (1114, 18986), (1726, 12254), (2228, 9493), (3452, 6127)]