21817976

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{599}}^1$

素因数の和:791

約数の個数: 32

約数和(自身を含む): 42660000

約数和(自身を除く): 20842024

約数列:

[1, 2, 4, 8, 29, 58, 116, 157, 232, 314, 599, 628, 1198, 1256, 2396, 4553, 4792, 9106, 17371, 18212, 34742, 36424, 69484, 94043, 138968, 188086, 376172, 752344, 2727247, 5454494, 10908988, 21817976]

約数ペア:

[(1, 21817976), (2, 10908988), (4, 5454494), (8, 2727247), (29, 752344), (58, 376172), (116, 188086), (157, 138968), (232, 94043), (314, 69484), (599, 36424), (628, 34742), (1198, 18212), (1256, 17371), (2396, 9106), (4553, 4792)]