21000724792

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{107}}^1\times {\mathrm{415823}}^1$

素因数の和:415995

約数の個数: 32

約数和(自身を含む): 40418092800

約数和(自身を除く): 19417368008

約数列:

[1, 2, 4, 8, 59, 107, 118, 214, 236, 428, 472, 856, 6313, 12626, 25252, 50504, 415823, 831646, 1663292, 3326584, 24533557, 44493061, 49067114, 88986122, 98134228, 177972244, 196268456, 355944488, 2625090599, 5250181198, 10500362396, 21000724792]

約数ペア:

[(1, 21000724792), (2, 10500362396), (4, 5250181198), (8, 2625090599), (59, 355944488), (107, 196268456), (118, 177972244), (214, 98134228), (236, 88986122), (428, 49067114), (472, 44493061), (856, 24533557), (6313, 3326584), (12626, 1663292), (25252, 831646), (50504, 415823)]