21900006

素因数分解:

$2^1\times 3^2\times {\mathrm{139}}^1\times {\mathrm{8753}}^1$

素因数の和:8900

約数の個数: 24

約数和(自身を含む): 47796840

約数和(自身を除く): 25896834

約数列:

[1, 2, 3, 6, 9, 18, 139, 278, 417, 834, 1251, 2502, 8753, 17506, 26259, 52518, 78777, 157554, 1216667, 2433334, 3650001, 7300002, 10950003, 21900006]

約数ペア:

[(1, 21900006), (2, 10950003), (3, 7300002), (6, 3650001), (9, 2433334), (18, 1216667), (139, 157554), (278, 78777), (417, 52518), (834, 26259), (1251, 17506), (2502, 8753)]