21909844

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{577}}^1\times {\mathrm{863}}^1$

素因数の和:1455

約数の個数: 24

約数和(自身を含む): 41948928

約数和(自身を除く): 20039084

約数列:

[1, 2, 4, 11, 22, 44, 577, 863, 1154, 1726, 2308, 3452, 6347, 9493, 12694, 18986, 25388, 37972, 497951, 995902, 1991804, 5477461, 10954922, 21909844]

約数ペア:

[(1, 21909844), (2, 10954922), (4, 5477461), (11, 1991804), (22, 995902), (44, 497951), (577, 37972), (863, 25388), (1154, 18986), (1726, 12694), (2308, 9493), (3452, 6347)]