21972879009

素因数分解:

$3^2\times {\mathrm{89}}^1\times {\mathrm{27431809}}^1$

素因数の和:27431904

約数の個数: 12

約数和(自身を含む): 32095217700

約数和(自身を除く): 10122338691

約数列:

[1, 3, 9, 89, 267, 801, 27431809, 82295427, 246886281, 2441431001, 7324293003, 21972879009]

約数ペア:

[(1, 21972879009), (3, 7324293003), (9, 2441431001), (89, 246886281), (267, 82295427), (801, 27431809)]