21399012

素因数分解:

$2^2\times 3^3\times {\mathrm{198139}}^1$

素因数の和:198152

約数の個数: 24

約数和(自身を含む): 55479200

約数和(自身を除く): 34080188

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 198139, 396278, 594417, 792556, 1188834, 1783251, 2377668, 3566502, 5349753, 7133004, 10699506, 21399012]

約数ペア:

[(1, 21399012), (2, 10699506), (3, 7133004), (4, 5349753), (6, 3566502), (9, 2377668), (12, 1783251), (18, 1188834), (27, 792556), (36, 594417), (54, 396278), (108, 198139)]