21149844

素因数分解:

$2^2\times 3^1\times {\mathrm{307}}^1\times {\mathrm{5741}}^1$

素因数の和:6055

約数の個数: 24

約数和(自身を含む): 49519008

約数和(自身を除く): 28369164

約数列:

[1, 2, 3, 4, 6, 12, 307, 614, 921, 1228, 1842, 3684, 5741, 11482, 17223, 22964, 34446, 68892, 1762487, 3524974, 5287461, 7049948, 10574922, 21149844]

約数ペア:

[(1, 21149844), (2, 10574922), (3, 7049948), (4, 5287461), (6, 3524974), (12, 1762487), (307, 68892), (614, 34446), (921, 22964), (1228, 17223), (1842, 11482), (3684, 5741)]