21567230

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^2\times {\mathrm{1283}}^1$

素因数の和:1372

約数の個数: 24

約数和(自身を含む): 39821976

約数和(自身を除く): 18254746

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 1283, 1681, 2566, 3362, 6415, 8405, 12830, 16810, 52603, 105206, 263015, 526030, 2156723, 4313446, 10783615, 21567230]

約数ペア:

[(1, 21567230), (2, 10783615), (5, 4313446), (10, 2156723), (41, 526030), (82, 263015), (205, 105206), (410, 52603), (1283, 16810), (1681, 12830), (2566, 8405), (3362, 6415)]