21230886

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^2\times {\mathrm{6689}}^1$

素因数の和:6740

約数の個数: 24

約数和(自身を含む): 44394840

約数和(自身を除く): 23163954

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 529, 1058, 1587, 3174, 6689, 13378, 20067, 40134, 153847, 307694, 461541, 923082, 3538481, 7076962, 10615443, 21230886]

約数ペア:

[(1, 21230886), (2, 10615443), (3, 7076962), (6, 3538481), (23, 923082), (46, 461541), (69, 307694), (138, 153847), (529, 40134), (1058, 20067), (1587, 13378), (3174, 6689)]