21949565

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{9281}}^1$

素因数の和:9340

約数の個数: 16

約数和(自身を含む): 29405376

約数和(自身を除く): 7455811

約数列:

[1, 5, 11, 43, 55, 215, 473, 2365, 9281, 46405, 102091, 399083, 510455, 1995415, 4389913, 21949565]

約数ペア:

[(1, 21949565), (5, 4389913), (11, 1995415), (43, 510455), (55, 399083), (215, 102091), (473, 46405), (2365, 9281)]