21757731116

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{7487}}^1\times {\mathrm{66047}}^1$

素因数の和:73549

約数の個数: 24

約数和(自身を含む): 41543663616

約数和(自身を除く): 19785932500

約数列:

[1, 2, 4, 11, 22, 44, 7487, 14974, 29948, 66047, 82357, 132094, 164714, 264188, 329428, 726517, 1453034, 2906068, 494493889, 988987778, 1977975556, 5439432779, 10878865558, 21757731116]

約数ペア:

[(1, 21757731116), (2, 10878865558), (4, 5439432779), (11, 1977975556), (22, 988987778), (44, 494493889), (7487, 2906068), (14974, 1453034), (29948, 726517), (66047, 329428), (82357, 264188), (132094, 164714)]