21882836

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{743}}^1$

素因数の和:983

約数の個数: 24

約数和(自身を含む): 39580800

約数和(自身を除く): 17697964

約数列:

[1, 2, 4, 37, 74, 148, 199, 398, 743, 796, 1486, 2972, 7363, 14726, 27491, 29452, 54982, 109964, 147857, 295714, 591428, 5470709, 10941418, 21882836]

約数ペア:

[(1, 21882836), (2, 10941418), (4, 5470709), (37, 591428), (74, 295714), (148, 147857), (199, 109964), (398, 54982), (743, 29452), (796, 27491), (1486, 14726), (2972, 7363)]