21147078

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{48281}}^1$

素因数の和:48359

約数の個数: 16

約数和(自身を含む): 42874416

約数和(自身を除く): 21727338

約数列:

[1, 2, 3, 6, 73, 146, 219, 438, 48281, 96562, 144843, 289686, 3524513, 7049026, 10573539, 21147078]

約数ペア:

[(1, 21147078), (2, 10573539), (3, 7049026), (6, 3524513), (73, 289686), (146, 144843), (219, 96562), (438, 48281)]