21064967

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{317}}^1\times {\mathrm{863}}^1$

素因数の和:1198

約数の個数: 16

約数和(自身を含む): 26376192

約数和(自身を除く): 5311225

約数列:

[1, 7, 11, 77, 317, 863, 2219, 3487, 6041, 9493, 24409, 66451, 273571, 1914997, 3009281, 21064967]

約数ペア:

[(1, 21064967), (7, 3009281), (11, 1914997), (77, 273571), (317, 66451), (863, 24409), (2219, 9493), (3487, 6041)]