21327082

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{80177}}^1$

素因数の和:80205

約数の個数: 16

約数和(自身を含む): 38485440

約数和(自身を除く): 17158358

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 80177, 160354, 561239, 1122478, 1523363, 3046726, 10663541, 21327082]

約数ペア:

[(1, 21327082), (2, 10663541), (7, 3046726), (14, 1523363), (19, 1122478), (38, 561239), (133, 160354), (266, 80177)]