21649014

素因数分解:

$2^1\times 3^2\times {\mathrm{137}}^1\times {\mathrm{8779}}^1$

素因数の和:8924

約数の個数: 24

約数和(自身を含む): 47253960

約数和(自身を除く): 25604946

約数列:

[1, 2, 3, 6, 9, 18, 137, 274, 411, 822, 1233, 2466, 8779, 17558, 26337, 52674, 79011, 158022, 1202723, 2405446, 3608169, 7216338, 10824507, 21649014]

約数ペア:

[(1, 21649014), (2, 10824507), (3, 7216338), (6, 3608169), (9, 2405446), (18, 1202723), (137, 158022), (274, 79011), (411, 52674), (822, 26337), (1233, 17558), (2466, 8779)]