21000751188

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{24648769}}^1$

素因数の和:24648847

約数の個数: 24

約数和(自身を含む): 49691920320

約数和(自身を除く): 28691169132

約数列:

[1, 2, 3, 4, 6, 12, 71, 142, 213, 284, 426, 852, 24648769, 49297538, 73946307, 98595076, 147892614, 295785228, 1750062599, 3500125198, 5250187797, 7000250396, 10500375594, 21000751188]

約数ペア:

[(1, 21000751188), (2, 10500375594), (3, 7000250396), (4, 5250187797), (6, 3500125198), (12, 1750062599), (71, 295785228), (142, 147892614), (213, 98595076), (284, 73946307), (426, 49297538), (852, 24648769)]