21336964

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{2029}}^1$

素因数の和:2283

約数の個数: 24

約数和(自身を含む): 40924800

約数和(自身を除く): 19587836

約数列:

[1, 2, 4, 11, 22, 44, 239, 478, 956, 2029, 2629, 4058, 5258, 8116, 10516, 22319, 44638, 89276, 484931, 969862, 1939724, 5334241, 10668482, 21336964]

約数ペア:

[(1, 21336964), (2, 10668482), (4, 5334241), (11, 1939724), (22, 969862), (44, 484931), (239, 89276), (478, 44638), (956, 22319), (2029, 10516), (2629, 8116), (4058, 5258)]