21719654

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{31847}}^1$

素因数の和:31891

約数の個数: 16

約数和(自身を含む): 36688896

約数和(自身を除く): 14969242

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 31847, 63694, 350317, 700634, 987257, 1974514, 10859827, 21719654]

約数ペア:

[(1, 21719654), (2, 10859827), (11, 1974514), (22, 987257), (31, 700634), (62, 350317), (341, 63694), (682, 31847)]