21423933

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{6151}}^1$

素因数の和:6206

約数の個数: 20

約数和(自身を含む): 32753248

約数和(自身を除く): 11329315

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 6151, 18453, 55359, 166077, 264493, 498231, 793479, 2380437, 7141311, 21423933]

約数ペア:

[(1, 21423933), (3, 7141311), (9, 2380437), (27, 793479), (43, 498231), (81, 264493), (129, 166077), (387, 55359), (1161, 18453), (3483, 6151)]