21921108

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2339}}^1$

素因数の和:2428

約数の個数: 48

約数和(自身を含む): 56609280

約数和(自身を除く): 34688172

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 71, 132, 142, 213, 284, 426, 781, 852, 1562, 2339, 2343, 3124, 4678, 4686, 7017, 9356, 9372, 14034, 25729, 28068, 51458, 77187, 102916, 154374, 166069, 308748, 332138, 498207, 664276, 996414, 1826759, 1992828, 3653518, 5480277, 7307036, 10960554, 21921108]

約数ペア:

[(1, 21921108), (2, 10960554), (3, 7307036), (4, 5480277), (6, 3653518), (11, 1992828), (12, 1826759), (22, 996414), (33, 664276), (44, 498207), (66, 332138), (71, 308748), (132, 166069), (142, 154374), (213, 102916), (284, 77187), (426, 51458), (781, 28068), (852, 25729), (1562, 14034), (2339, 9372), (2343, 9356), (3124, 7017), (4678, 4686)]