21290799

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{3251}}^1$

素因数の和:3350

約数の個数: 16

約数和(自身を含む): 29658240

約数和(自身を除く): 8367441

約数列:

[1, 3, 37, 59, 111, 177, 2183, 3251, 6549, 9753, 120287, 191809, 360861, 575427, 7096933, 21290799]

約数ペア:

[(1, 21290799), (3, 7096933), (37, 575427), (59, 360861), (111, 191809), (177, 120287), (2183, 9753), (3251, 6549)]