21263924

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{7213}}^1$

素因数の和:7295

約数の個数: 24

約数和(自身を含む): 41206368

約数和(自身を除く): 19942444

約数列:

[1, 2, 4, 11, 22, 44, 67, 134, 268, 737, 1474, 2948, 7213, 14426, 28852, 79343, 158686, 317372, 483271, 966542, 1933084, 5315981, 10631962, 21263924]

約数ペア:

[(1, 21263924), (2, 10631962), (4, 5315981), (11, 1933084), (22, 966542), (44, 483271), (67, 317372), (134, 158686), (268, 79343), (737, 28852), (1474, 14426), (2948, 7213)]