21206576

素因数分解:

$2^4\times {\mathrm{797}}^1\times {\mathrm{1663}}^1$

素因数の和:2468

約数の個数: 20

約数和(自身を含む): 41164032

約数和(自身を除く): 19957456

約数列:

[1, 2, 4, 8, 16, 797, 1594, 1663, 3188, 3326, 6376, 6652, 12752, 13304, 26608, 1325411, 2650822, 5301644, 10603288, 21206576]

約数ペア:

[(1, 21206576), (2, 10603288), (4, 5301644), (8, 2650822), (16, 1325411), (797, 26608), (1594, 13304), (1663, 12752), (3188, 6652), (3326, 6376)]