21898089

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1621}}^1$

素因数の和:1725

約数の個数: 24

約数和(自身を含む): 33737600

約数和(自身を除く): 11839511

約数列:

[1, 3, 9, 19, 57, 79, 171, 237, 711, 1501, 1621, 4503, 4863, 13509, 14589, 30799, 92397, 128059, 277191, 384177, 1152531, 2433121, 7299363, 21898089]

約数ペア:

[(1, 21898089), (3, 7299363), (9, 2433121), (19, 1152531), (57, 384177), (79, 277191), (171, 128059), (237, 92397), (711, 30799), (1501, 14589), (1621, 13509), (4503, 4863)]