21923169

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{653}}^1$

素因数の和:725

約数の個数: 24

約数和(自身を含む): 31894272

約数和(自身を除く): 9971103

約数列:

[1, 3, 19, 31, 57, 93, 361, 589, 653, 1083, 1767, 1959, 11191, 12407, 20243, 33573, 37221, 60729, 235733, 384617, 707199, 1153851, 7307723, 21923169]

約数ペア:

[(1, 21923169), (3, 7307723), (19, 1153851), (31, 707199), (57, 384617), (93, 235733), (361, 60729), (589, 37221), (653, 33573), (1083, 20243), (1767, 12407), (1959, 11191)]