21971222

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{120721}}^1$

素因数の和:120743

約数の個数: 16

約数和(自身を含む): 40562592

約数和(自身を除く): 18591370

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 120721, 241442, 845047, 1569373, 1690094, 3138746, 10985611, 21971222]

約数ペア:

[(1, 21971222), (2, 10985611), (7, 3138746), (13, 1690094), (14, 1569373), (26, 845047), (91, 241442), (182, 120721)]