21003768

素因数分解:

$2^3\times 3^2\times {\mathrm{127}}^1\times {\mathrm{2297}}^1$

素因数の和:2436

約数の個数: 48

約数和(自身を含む): 57358080

約数和(自身を除く): 36354312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 127, 254, 381, 508, 762, 1016, 1143, 1524, 2286, 2297, 3048, 4572, 4594, 6891, 9144, 9188, 13782, 18376, 20673, 27564, 41346, 55128, 82692, 165384, 291719, 583438, 875157, 1166876, 1750314, 2333752, 2625471, 3500628, 5250942, 7001256, 10501884, 21003768]

約数ペア:

[(1, 21003768), (2, 10501884), (3, 7001256), (4, 5250942), (6, 3500628), (8, 2625471), (9, 2333752), (12, 1750314), (18, 1166876), (24, 875157), (36, 583438), (72, 291719), (127, 165384), (254, 82692), (381, 55128), (508, 41346), (762, 27564), (1016, 20673), (1143, 18376), (1524, 13782), (2286, 9188), (2297, 9144), (3048, 6891), (4572, 4594)]