21031762

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{4003}}^1$

素因数の和:4113

約数の個数: 16

約数和(自身を含む): 32864832

約数和(自身を除く): 11833070

約数列:

[1, 2, 37, 71, 74, 142, 2627, 4003, 5254, 8006, 148111, 284213, 296222, 568426, 10515881, 21031762]

約数ペア:

[(1, 21031762), (2, 10515881), (37, 568426), (71, 296222), (74, 284213), (142, 148111), (2627, 8006), (4003, 5254)]