21315932

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{2027}}^1$

素因数の和:2281

約数の個数: 24

約数和(自身を含む): 40884480

約数和(自身を除く): 19568548

約数列:

[1, 2, 4, 11, 22, 44, 239, 478, 956, 2027, 2629, 4054, 5258, 8108, 10516, 22297, 44594, 89188, 484453, 968906, 1937812, 5328983, 10657966, 21315932]

約数ペア:

[(1, 21315932), (2, 10657966), (4, 5328983), (11, 1937812), (22, 968906), (44, 484453), (239, 89188), (478, 44594), (956, 22297), (2027, 10516), (2629, 8108), (4054, 5258)]