21972873

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{2281}}^1$

素因数の和:2329

約数の個数: 24

約数和(自身を含む): 33408480

約数和(自身を除く): 11435607

約数列:

[1, 3, 13, 19, 39, 57, 169, 247, 507, 741, 2281, 3211, 6843, 9633, 29653, 43339, 88959, 130017, 385489, 563407, 1156467, 1690221, 7324291, 21972873]

約数ペア:

[(1, 21972873), (3, 7324291), (13, 1690221), (19, 1156467), (39, 563407), (57, 385489), (169, 130017), (247, 88959), (507, 43339), (741, 29653), (2281, 9633), (3211, 6843)]