21355339

素因数分解:

${\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{317}}^1$

素因数の和:470

約数の個数: 16

約数和(自身を含む): 23353920

約数和(自身を除く): 1998581

約数列:

[1, 23, 29, 101, 317, 667, 2323, 2929, 7291, 9193, 32017, 67367, 211439, 736391, 928493, 21355339]

約数ペア:

[(1, 21355339), (23, 928493), (29, 736391), (101, 211439), (317, 67367), (667, 32017), (2323, 9193), (2929, 7291)]