21149086

素因数分解:

$2^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{3221}}^1$

素因数の和:3304

約数の個数: 24

約数和(自身を含む): 37465416

約数和(自身を除く): 16316330

約数列:

[1, 2, 7, 14, 49, 67, 98, 134, 469, 938, 3221, 3283, 6442, 6566, 22547, 45094, 157829, 215807, 315658, 431614, 1510649, 3021298, 10574543, 21149086]

約数ペア:

[(1, 21149086), (2, 10574543), (7, 3021298), (14, 1510649), (49, 431614), (67, 315658), (98, 215807), (134, 157829), (469, 45094), (938, 22547), (3221, 6566), (3283, 6442)]