21115782

素因数分解:

$2^1\times 3^3\times {\mathrm{127}}^1\times {\mathrm{3079}}^1$

素因数の和:3217

約数の個数: 32

約数和(自身を含む): 47308800

約数和(自身を除く): 26193018

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 127, 254, 381, 762, 1143, 2286, 3079, 3429, 6158, 6858, 9237, 18474, 27711, 55422, 83133, 166266, 391033, 782066, 1173099, 2346198, 3519297, 7038594, 10557891, 21115782]

約数ペア:

[(1, 21115782), (2, 10557891), (3, 7038594), (6, 3519297), (9, 2346198), (18, 1173099), (27, 782066), (54, 391033), (127, 166266), (254, 83133), (381, 55422), (762, 27711), (1143, 18474), (2286, 9237), (3079, 6858), (3429, 6158)]