21471307

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2833}}^1$

素因数の和:2910

約数の個数: 16

約数和(自身を含む): 25710048

約数和(自身を除く): 4238741

約数列:

[1, 11, 13, 53, 143, 583, 689, 2833, 7579, 31163, 36829, 150149, 405119, 1651639, 1951937, 21471307]

約数ペア:

[(1, 21471307), (11, 1951937), (13, 1651639), (53, 405119), (143, 150149), (583, 36829), (689, 31163), (2833, 7579)]