21002478

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{71437}}^1$

素因数の和:71456

約数の個数: 24

約数和(自身を含む): 48863592

約数和(自身を除く): 27861114

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 71437, 142874, 214311, 428622, 500059, 1000118, 1500177, 3000354, 3500413, 7000826, 10501239, 21002478]

約数ペア:

[(1, 21002478), (2, 10501239), (3, 7000826), (6, 3500413), (7, 3000354), (14, 1500177), (21, 1000118), (42, 500059), (49, 428622), (98, 214311), (147, 142874), (294, 71437)]