211107779

素因数分解:

${\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{21391}}^1$

素因数の和:21601

約数の個数: 8

約数和(自身を含む): 215631360

約数和(自身を除く): 4523581

約数列:

[1, 71, 139, 9869, 21391, 1518761, 2973349, 211107779]

約数ペア:

[(1, 211107779), (71, 2973349), (139, 1518761), (9869, 21391)]