21003804

素因数分解:

$2^2\times 3^2\times {\mathrm{193}}^1\times {\mathrm{3023}}^1$

素因数の和:3226

約数の個数: 36

約数和(自身を含む): 53385696

約数和(自身を除く): 32381892

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 193, 386, 579, 772, 1158, 1737, 2316, 3023, 3474, 6046, 6948, 9069, 12092, 18138, 27207, 36276, 54414, 108828, 583439, 1166878, 1750317, 2333756, 3500634, 5250951, 7001268, 10501902, 21003804]

約数ペア:

[(1, 21003804), (2, 10501902), (3, 7001268), (4, 5250951), (6, 3500634), (9, 2333756), (12, 1750317), (18, 1166878), (36, 583439), (193, 108828), (386, 54414), (579, 36276), (772, 27207), (1158, 18138), (1737, 12092), (2316, 9069), (3023, 6948), (3474, 6046)]