21977582

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{709}}^1\times {\mathrm{1409}}^1$

素因数の和:2131

約数の個数: 16

約数和(自身を含む): 36039600

約数和(自身を除く): 14062018

約数列:

[1, 2, 11, 22, 709, 1409, 1418, 2818, 7799, 15499, 15598, 30998, 998981, 1997962, 10988791, 21977582]

約数ペア:

[(1, 21977582), (2, 10988791), (11, 1997962), (22, 998981), (709, 30998), (1409, 15598), (1418, 15499), (2818, 7799)]