21233079

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{9109}}^1$

素因数の和:9159

約数の個数: 24

約数和(自身を含む): 36002720

約数和(自身を除く): 14769641

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 9109, 27327, 63763, 81981, 191289, 337033, 573867, 1011099, 2359231, 3033297, 7077693, 21233079]

約数ペア:

[(1, 21233079), (3, 7077693), (7, 3033297), (9, 2359231), (21, 1011099), (37, 573867), (63, 337033), (111, 191289), (259, 81981), (333, 63763), (777, 27327), (2331, 9109)]