21075292

素因数分解:

$2^2\times 7^3\times {\mathrm{15361}}^1$

素因数の和:15386

約数の個数: 24

約数和(自身を含む): 43013600

約数和(自身を除く): 21938308

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 15361, 30722, 61444, 107527, 215054, 430108, 752689, 1505378, 3010756, 5268823, 10537646, 21075292]

約数ペア:

[(1, 21075292), (2, 10537646), (4, 5268823), (7, 3010756), (14, 1505378), (28, 752689), (49, 430108), (98, 215054), (196, 107527), (343, 61444), (686, 30722), (1372, 15361)]