21857726

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{21139}}^1$

素因数の和:21199

約数の個数: 16

約数和(自身を含む): 36529920

約数和(自身を除く): 14672194

約数列:

[1, 2, 11, 22, 47, 94, 517, 1034, 21139, 42278, 232529, 465058, 993533, 1987066, 10928863, 21857726]

約数ペア:

[(1, 21857726), (2, 10928863), (11, 1987066), (22, 993533), (47, 465058), (94, 232529), (517, 42278), (1034, 21139)]