21049388631

素因数分解:

$3^2\times {\mathrm{523}}^1\times {\mathrm{4471933}}^1$

素因数の和:4472462

約数の個数: 12

約数和(自身を含む): 30462814408

約数和(自身を除く): 9413425777

約数列:

[1, 3, 9, 523, 1569, 4707, 4471933, 13415799, 40247397, 2338820959, 7016462877, 21049388631]

約数ペア:

[(1, 21049388631), (3, 7016462877), (9, 2338820959), (523, 40247397), (1569, 13415799), (4707, 4471933)]