21820516020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{40408363}}^1$

素因数の和:40408381

約数の個数: 48

約数和(自身を含む): 67886051520

約数和(自身を除く): 46065535500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 40408363, 80816726, 121225089, 161633452, 202041815, 242450178, 363675267, 404083630, 484900356, 606125445, 727350534, 808167260, 1091025801, 1212250890, 1454701068, 1818376335, 2182051602, 2424501780, 3636752670, 4364103204, 5455129005, 7273505340, 10910258010, 21820516020]

約数ペア:

[(1, 21820516020), (2, 10910258010), (3, 7273505340), (4, 5455129005), (5, 4364103204), (6, 3636752670), (9, 2424501780), (10, 2182051602), (12, 1818376335), (15, 1454701068), (18, 1212250890), (20, 1091025801), (27, 808167260), (30, 727350534), (36, 606125445), (45, 484900356), (54, 404083630), (60, 363675267), (90, 242450178), (108, 202041815), (135, 161633452), (180, 121225089), (270, 80816726), (540, 40408363)]