21789090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{242101}}^1$

素因数の和:242114

約数の個数: 24

約数和(自身を含む): 56651868

約数和(自身を除く): 34862778

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 242101, 484202, 726303, 1210505, 1452606, 2178909, 2421010, 3631515, 4357818, 7263030, 10894545, 21789090]

約数ペア:

[(1, 21789090), (2, 10894545), (3, 7263030), (5, 4357818), (6, 3631515), (9, 2421010), (10, 2178909), (15, 1452606), (18, 1210505), (30, 726303), (45, 484202), (90, 242101)]