21925221

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{1823}}^1$

素因数の和:2056

約数の個数: 16

約数和(自身を含む): 30935040

約数和(自身を除く): 9009819

約数列:

[1, 3, 19, 57, 211, 633, 1823, 4009, 5469, 12027, 34637, 103911, 384653, 1153959, 7308407, 21925221]

約数ペア:

[(1, 21925221), (3, 7308407), (19, 1153959), (57, 384653), (211, 103911), (633, 34637), (1823, 12027), (4009, 5469)]