21037479

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{509}}^1\times {\mathrm{599}}^1$

素因数の和:1134

約数の個数: 16

約数和(自身を含む): 29376000

約数和(自身を除く): 8338521

約数列:

[1, 3, 23, 69, 509, 599, 1527, 1797, 11707, 13777, 35121, 41331, 304891, 914673, 7012493, 21037479]

約数ペア:

[(1, 21037479), (3, 7012493), (23, 914673), (69, 304891), (509, 41331), (599, 35121), (1527, 13777), (1797, 11707)]