21257024

素因数分解:

$2^6\times {\mathrm{41}}^1\times {\mathrm{8101}}^1$

素因数の和:8154

約数の個数: 28

約数和(自身を含む): 43216068

約数和(自身を除く): 21959044

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 164, 328, 656, 1312, 2624, 8101, 16202, 32404, 64808, 129616, 259232, 332141, 518464, 664282, 1328564, 2657128, 5314256, 10628512, 21257024]

約数ペア:

[(1, 21257024), (2, 10628512), (4, 5314256), (8, 2657128), (16, 1328564), (32, 664282), (41, 518464), (64, 332141), (82, 259232), (164, 129616), (328, 64808), (656, 32404), (1312, 16202), (2624, 8101)]