21476091

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{811}}^1$

素因数の和:931

約数の個数: 32

約数和(自身を含む): 35650048

約数和(自身を除く): 14173957

約数列:

[1, 3, 7, 13, 21, 39, 91, 97, 273, 291, 679, 811, 1261, 2037, 2433, 3783, 5677, 8827, 10543, 17031, 26481, 31629, 73801, 78667, 221403, 236001, 550669, 1022671, 1652007, 3068013, 7158697, 21476091]

約数ペア:

[(1, 21476091), (3, 7158697), (7, 3068013), (13, 1652007), (21, 1022671), (39, 550669), (91, 236001), (97, 221403), (273, 78667), (291, 73801), (679, 31629), (811, 26481), (1261, 17031), (2037, 10543), (2433, 8827), (3783, 5677)]