21573391

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{911}}^1$

素因数の和:1134

約数の個数: 16

約数和(自身を含む): 26265600

約数和(自身を除く): 4692209

約数列:

[1, 7, 17, 119, 199, 911, 1393, 3383, 6377, 15487, 23681, 108409, 181289, 1269023, 3081913, 21573391]

約数ペア:

[(1, 21573391), (7, 3081913), (17, 1269023), (119, 181289), (199, 108409), (911, 23681), (1393, 15487), (3383, 6377)]