21742590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31511}}^1$

素因数の和:31544

約数の個数: 32

約数和(自身を含む): 54452736

約数和(自身を除く): 32710146

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 31511, 63022, 94533, 157555, 189066, 315110, 472665, 724753, 945330, 1449506, 2174259, 3623765, 4348518, 7247530, 10871295, 21742590]

約数ペア:

[(1, 21742590), (2, 10871295), (3, 7247530), (5, 4348518), (6, 3623765), (10, 2174259), (15, 1449506), (23, 945330), (30, 724753), (46, 472665), (69, 315110), (115, 189066), (138, 157555), (230, 94533), (345, 63022), (690, 31511)]