21856818

素因数分解:

$2^1\times 3^1\times {\mathrm{641}}^1\times {\mathrm{5683}}^1$

素因数の和:6329

約数の個数: 16

約数和(自身を含む): 43789536

約数和(自身を除く): 21932718

約数列:

[1, 2, 3, 6, 641, 1282, 1923, 3846, 5683, 11366, 17049, 34098, 3642803, 7285606, 10928409, 21856818]

約数ペア:

[(1, 21856818), (2, 10928409), (3, 7285606), (6, 3642803), (641, 34098), (1282, 17049), (1923, 11366), (3846, 5683)]