21000814896

素因数分解:

$2^4\times 3^1\times {\mathrm{311}}^1\times {\mathrm{1406807}}^1$

素因数の和:1407129

約数の個数: 40

約数和(自身を含む): 54426587904

約数和(自身を除く): 33425773008

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 311, 622, 933, 1244, 1866, 2488, 3732, 4976, 7464, 14928, 1406807, 2813614, 4220421, 5627228, 8440842, 11254456, 16881684, 22508912, 33763368, 67526736, 437516977, 875033954, 1312550931, 1750067908, 2625101862, 3500135816, 5250203724, 7000271632, 10500407448, 21000814896]

約数ペア:

[(1, 21000814896), (2, 10500407448), (3, 7000271632), (4, 5250203724), (6, 3500135816), (8, 2625101862), (12, 1750067908), (16, 1312550931), (24, 875033954), (48, 437516977), (311, 67526736), (622, 33763368), (933, 22508912), (1244, 16881684), (1866, 11254456), (2488, 8440842), (3732, 5627228), (4976, 4220421), (7464, 2813614), (14928, 1406807)]