21518874

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{91961}}^1$

素因数の和:91982

約数の個数: 24

約数和(自身を含む): 50211252

約数和(自身を除く): 28692378

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 91961, 183922, 275883, 551766, 827649, 1195493, 1655298, 2390986, 3586479, 7172958, 10759437, 21518874]

約数ペア:

[(1, 21518874), (2, 10759437), (3, 7172958), (6, 3586479), (9, 2390986), (13, 1655298), (18, 1195493), (26, 827649), (39, 551766), (78, 275883), (117, 183922), (234, 91961)]