21946309

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{677}}^1$

素因数の和:1116

約数の個数: 16

約数和(自身を含む): 27467136

約数和(自身を除く): 5520827

約数列:

[1, 7, 11, 77, 421, 677, 2947, 4631, 4739, 7447, 32417, 52129, 285017, 1995119, 3135187, 21946309]

約数ペア:

[(1, 21946309), (7, 3135187), (11, 1995119), (77, 285017), (421, 52129), (677, 32417), (2947, 7447), (4631, 4739)]