21286276

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{607}}^1\times {\mathrm{797}}^1$

素因数の和:1419

約数の個数: 24

約数和(自身を含む): 40755456

約数和(自身を除く): 19469180

約数列:

[1, 2, 4, 11, 22, 44, 607, 797, 1214, 1594, 2428, 3188, 6677, 8767, 13354, 17534, 26708, 35068, 483779, 967558, 1935116, 5321569, 10643138, 21286276]

約数ペア:

[(1, 21286276), (2, 10643138), (4, 5321569), (11, 1935116), (22, 967558), (44, 483779), (607, 35068), (797, 26708), (1214, 17534), (1594, 13354), (2428, 8767), (3188, 6677)]