21007956

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{56473}}^1$

素因数の和:56511

約数の個数: 24

約数和(自身を含む): 50600704

約数和(自身を除く): 29592748

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 186, 372, 56473, 112946, 169419, 225892, 338838, 677676, 1750663, 3501326, 5251989, 7002652, 10503978, 21007956]

約数ペア:

[(1, 21007956), (2, 10503978), (3, 7002652), (4, 5251989), (6, 3501326), (12, 1750663), (31, 677676), (62, 338838), (93, 225892), (124, 169419), (186, 112946), (372, 56473)]