21001554

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{166679}}^1$

素因数の和:166694

約数の個数: 24

約数和(自身を含む): 52004160

約数和(自身を除く): 31002606

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 166679, 333358, 500037, 1000074, 1166753, 1500111, 2333506, 3000222, 3500259, 7000518, 10500777, 21001554]

約数ペア:

[(1, 21001554), (2, 10500777), (3, 7000518), (6, 3500259), (7, 3000222), (9, 2333506), (14, 1500111), (18, 1166753), (21, 1000074), (42, 500037), (63, 333358), (126, 166679)]