21716157

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{14683}}^1$

素因数の和:14732

約数の個数: 16

約数和(自身を含む): 31717440

約数和(自身を除く): 10001283

約数列:

[1, 3, 17, 29, 51, 87, 493, 1479, 14683, 44049, 249611, 425807, 748833, 1277421, 7238719, 21716157]

約数ペア:

[(1, 21716157), (3, 7238719), (17, 1277421), (29, 748833), (51, 425807), (87, 249611), (493, 44049), (1479, 14683)]