21112432

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{863}}^1$

素因数の和:1021

約数の個数: 40

約数和(自身を含む): 44997120

約数和(自身を除く): 23884688

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 139, 176, 278, 556, 863, 1112, 1529, 1726, 2224, 3058, 3452, 6116, 6904, 9493, 12232, 13808, 18986, 24464, 37972, 75944, 119957, 151888, 239914, 479828, 959656, 1319527, 1919312, 2639054, 5278108, 10556216, 21112432]

約数ペア:

[(1, 21112432), (2, 10556216), (4, 5278108), (8, 2639054), (11, 1919312), (16, 1319527), (22, 959656), (44, 479828), (88, 239914), (139, 151888), (176, 119957), (278, 75944), (556, 37972), (863, 24464), (1112, 18986), (1529, 13808), (1726, 12232), (2224, 9493), (3058, 6904), (3452, 6116)]