21307647

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{3833}}^1$

素因数の和:3962

約数の個数: 16

約数和(自身を含む): 30365280

約数和(自身を除く): 9057633

約数列:

[1, 3, 17, 51, 109, 327, 1853, 3833, 5559, 11499, 65161, 195483, 417797, 1253391, 7102549, 21307647]

約数ペア:

[(1, 21307647), (3, 7102549), (17, 1253391), (51, 417797), (109, 195483), (327, 65161), (1853, 11499), (3833, 5559)]