21342327

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{3911}}^1$

素因数の和:4038

約数の個数: 16

約数和(自身を含む): 30419712

約数和(自身を除く): 9077385

約数列:

[1, 3, 17, 51, 107, 321, 1819, 3911, 5457, 11733, 66487, 199461, 418477, 1255431, 7114109, 21342327]

約数ペア:

[(1, 21342327), (3, 7114109), (17, 1255431), (51, 418477), (107, 199461), (321, 66487), (1819, 11733), (3911, 5457)]