21960778

素因数分解:

$2^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{3221}}^1$

素因数の和:3717

約数の個数: 16

約数和(自身を含む): 37736064

約数和(自身を除く): 15775286

約数列:

[1, 2, 7, 14, 487, 974, 3221, 3409, 6442, 6818, 22547, 45094, 1568627, 3137254, 10980389, 21960778]

約数ペア:

[(1, 21960778), (2, 10980389), (7, 3137254), (14, 1568627), (487, 45094), (974, 22547), (3221, 6818), (3409, 6442)]