21790571

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{823}}^1$

素因数の和:946

約数の個数: 16

約数和(自身を含む): 24917760

約数和(自身を除く): 3127189

約数列:

[1, 11, 29, 83, 319, 823, 913, 2407, 9053, 23867, 26477, 68309, 262537, 751399, 1980961, 21790571]

約数ペア:

[(1, 21790571), (11, 1980961), (29, 751399), (83, 262537), (319, 68309), (823, 26477), (913, 23867), (2407, 9053)]