21722095

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1423}}^1$

素因数の和:1542

約数の個数: 16

約数和(自身を含む): 27067392

約数和(自身を除く): 5345297

約数列:

[1, 5, 43, 71, 215, 355, 1423, 3053, 7115, 15265, 61189, 101033, 305945, 505165, 4344419, 21722095]

約数ペア:

[(1, 21722095), (5, 4344419), (43, 505165), (71, 305945), (215, 101033), (355, 61189), (1423, 15265), (3053, 7115)]