21591410

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{5981}}^1$

素因数の和:6026

約数の個数: 24

約数和(自身を含む): 41024556

約数和(自身を除く): 19433146

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 361, 722, 1805, 3610, 5981, 11962, 29905, 59810, 113639, 227278, 568195, 1136390, 2159141, 4318282, 10795705, 21591410]

約数ペア:

[(1, 21591410), (2, 10795705), (5, 4318282), (10, 2159141), (19, 1136390), (38, 568195), (95, 227278), (190, 113639), (361, 59810), (722, 29905), (1805, 11962), (3610, 5981)]