21000657666

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{47946707}}^1$

素因数の和:47946785

約数の個数: 16

約数和(自身を含む): 42576676704

約数和(自身を除く): 21576019038

約数列:

[1, 2, 3, 6, 73, 146, 219, 438, 47946707, 95893414, 143840121, 287680242, 3500109611, 7000219222, 10500328833, 21000657666]

約数ペア:

[(1, 21000657666), (2, 10500328833), (3, 7000219222), (6, 3500109611), (73, 287680242), (146, 143840121), (219, 95893414), (438, 47946707)]