21525670

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{409}}^1$

素因数の和:712

約数の個数: 32

約数和(自身を含む): 41032800

約数和(自身を除く): 19507130

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 277, 409, 554, 818, 1385, 2045, 2770, 4090, 5263, 7771, 10526, 15542, 26315, 38855, 52630, 77710, 113293, 226586, 566465, 1132930, 2152567, 4305134, 10762835, 21525670]

約数ペア:

[(1, 21525670), (2, 10762835), (5, 4305134), (10, 2152567), (19, 1132930), (38, 566465), (95, 226586), (190, 113293), (277, 77710), (409, 52630), (554, 38855), (818, 26315), (1385, 15542), (2045, 10526), (2770, 7771), (4090, 5263)]