21921544

素因数分解:

$2^3\times {\mathrm{163}}^1\times {\mathrm{16811}}^1$

素因数の和:16980

約数の個数: 16

約数和(自身を含む): 41357520

約数和(自身を除く): 19435976

約数列:

[1, 2, 4, 8, 163, 326, 652, 1304, 16811, 33622, 67244, 134488, 2740193, 5480386, 10960772, 21921544]

約数ペア:

[(1, 21921544), (2, 10960772), (4, 5480386), (8, 2740193), (163, 134488), (326, 67244), (652, 33622), (1304, 16811)]