21000638950

素因数分解:

$2^1\times 5^2\times {\mathrm{19937}}^1\times {\mathrm{21067}}^1$

素因数の和:41016

約数の個数: 24

約数和(自身を含む): 39065001912

約数和(自身を除く): 18064362962

約数列:

[1, 2, 5, 10, 25, 50, 19937, 21067, 39874, 42134, 99685, 105335, 199370, 210670, 498425, 526675, 996850, 1053350, 420012779, 840025558, 2100063895, 4200127790, 10500319475, 21000638950]

約数ペア:

[(1, 21000638950), (2, 10500319475), (5, 4200127790), (10, 2100063895), (25, 840025558), (50, 420012779), (19937, 1053350), (21067, 996850), (39874, 526675), (42134, 498425), (99685, 210670), (105335, 199370)]