21162254

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{2063}}^1$

素因数の和:2311

約数の個数: 16

約数和(自身を含む): 33288192

約数和(自身を除く): 12125938

約数列:

[1, 2, 23, 46, 223, 446, 2063, 4126, 5129, 10258, 47449, 94898, 460049, 920098, 10581127, 21162254]

約数ペア:

[(1, 21162254), (2, 10581127), (23, 920098), (46, 460049), (223, 94898), (446, 47449), (2063, 10258), (4126, 5129)]