21887697

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{1877}}^1$

素因数の和:1929

約数の個数: 24

約数和(自身を含む): 32992704

約数和(自身を除く): 11105007

約数列:

[1, 3, 13, 23, 39, 69, 169, 299, 507, 897, 1877, 3887, 5631, 11661, 24401, 43171, 73203, 129513, 317213, 561223, 951639, 1683669, 7295899, 21887697]

約数ペア:

[(1, 21887697), (3, 7295899), (13, 1683669), (23, 951639), (39, 561223), (69, 317213), (169, 129513), (299, 73203), (507, 43171), (897, 24401), (1877, 11661), (3887, 5631)]