21726364

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{1423}}^1$

素因数の和:1785

約数の個数: 24

約数和(自身を含む): 41626368

約数和(自身を除く): 19900004

約数列:

[1, 2, 4, 11, 22, 44, 347, 694, 1388, 1423, 2846, 3817, 5692, 7634, 15268, 15653, 31306, 62612, 493781, 987562, 1975124, 5431591, 10863182, 21726364]

約数ペア:

[(1, 21726364), (2, 10863182), (4, 5431591), (11, 1975124), (22, 987562), (44, 493781), (347, 62612), (694, 31306), (1388, 15653), (1423, 15268), (2846, 7634), (3817, 5692)]