21111270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{703709}}^1$

素因数の和:703719

約数の個数: 16

約数和(自身を含む): 50667120

約数和(自身を除く): 29555850

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 703709, 1407418, 2111127, 3518545, 4222254, 7037090, 10555635, 21111270]

約数ペア:

[(1, 21111270), (2, 10555635), (3, 7037090), (5, 4222254), (6, 3518545), (10, 2111127), (15, 1407418), (30, 703709)]