21856461

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{2357}}^1$

素因数の和:2652

約数の個数: 16

約数和(自身を含む): 31917888

約数和(自身を除く): 10061427

約数列:

[1, 3, 11, 33, 281, 843, 2357, 3091, 7071, 9273, 25927, 77781, 662317, 1986951, 7285487, 21856461]

約数ペア:

[(1, 21856461), (3, 7285487), (11, 1986951), (33, 662317), (281, 77781), (843, 25927), (2357, 9273), (3091, 7071)]