21828035

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{347}}^1\times {\mathrm{547}}^1$

素因数の和:922

約数の個数: 16

約数和(自身を含む): 27461376

約数和(自身を除く): 5633341

約数列:

[1, 5, 23, 115, 347, 547, 1735, 2735, 7981, 12581, 39905, 62905, 189809, 949045, 4365607, 21828035]

約数ペア:

[(1, 21828035), (5, 4365607), (23, 949045), (115, 189809), (347, 62905), (547, 39905), (1735, 12581), (2735, 7981)]