21754986

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{2917}}^1$

素因数の和:3046

約数の個数: 32

約数和(自身を含む): 47901888

約数和(自身を除く): 26146902

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 113, 226, 339, 678, 1243, 2486, 2917, 3729, 5834, 7458, 8751, 17502, 32087, 64174, 96261, 192522, 329621, 659242, 988863, 1977726, 3625831, 7251662, 10877493, 21754986]

約数ペア:

[(1, 21754986), (2, 10877493), (3, 7251662), (6, 3625831), (11, 1977726), (22, 988863), (33, 659242), (66, 329621), (113, 192522), (226, 96261), (339, 64174), (678, 32087), (1243, 17502), (2486, 8751), (2917, 7458), (3729, 5834)]