21152866

素因数分解:

$2^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{11897}}^1$

素因数の和:12033

約数の個数: 16

約数和(自身を含む): 36550656

約数和(自身を除く): 15397790

約数列:

[1, 2, 7, 14, 127, 254, 889, 1778, 11897, 23794, 83279, 166558, 1510919, 3021838, 10576433, 21152866]

約数ペア:

[(1, 21152866), (2, 10576433), (7, 3021838), (14, 1510919), (127, 166558), (254, 83279), (889, 23794), (1778, 11897)]