21000751908

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^2\times {\mathrm{4847819}}^1$

素因数の和:4847864

約数の個数: 36

約数和(自身を含む): 51716543760

約数和(自身を除く): 30715791852

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 361, 722, 1083, 1444, 2166, 4332, 4847819, 9695638, 14543457, 19391276, 29086914, 58173828, 92108561, 184217122, 276325683, 368434244, 552651366, 1105302732, 1750062659, 3500125318, 5250187977, 7000250636, 10500375954, 21000751908]

約数ペア:

[(1, 21000751908), (2, 10500375954), (3, 7000250636), (4, 5250187977), (6, 3500125318), (12, 1750062659), (19, 1105302732), (38, 552651366), (57, 368434244), (76, 276325683), (114, 184217122), (228, 92108561), (361, 58173828), (722, 29086914), (1083, 19391276), (1444, 14543457), (2166, 9695638), (4332, 4847819)]