21401295544

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{944953}}^1$

素因数の和:945127

約数の個数: 32

約数和(自身を含む): 42522930000

約数和(自身を除く): 21121634456

約数列:

[1, 2, 4, 8, 19, 38, 76, 149, 152, 298, 596, 1192, 2831, 5662, 11324, 22648, 944953, 1889906, 3779812, 7559624, 17954107, 35908214, 71816428, 140797997, 143632856, 281595994, 563191988, 1126383976, 2675161943, 5350323886, 10700647772, 21401295544]

約数ペア:

[(1, 21401295544), (2, 10700647772), (4, 5350323886), (8, 2675161943), (19, 1126383976), (38, 563191988), (76, 281595994), (149, 143632856), (152, 140797997), (298, 71816428), (596, 35908214), (1192, 17954107), (2831, 7559624), (5662, 3779812), (11324, 1889906), (22648, 944953)]