21814020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{121189}}^1$

素因数の和:121204

約数の個数: 36

約数和(自身を含む): 66169740

約数和(自身を除く): 44355720

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 121189, 242378, 363567, 484756, 605945, 727134, 1090701, 1211890, 1454268, 1817835, 2181402, 2423780, 3635670, 4362804, 5453505, 7271340, 10907010, 21814020]

約数ペア:

[(1, 21814020), (2, 10907010), (3, 7271340), (4, 5453505), (5, 4362804), (6, 3635670), (9, 2423780), (10, 2181402), (12, 1817835), (15, 1454268), (18, 1211890), (20, 1090701), (30, 727134), (36, 605945), (45, 484756), (60, 363567), (90, 242378), (180, 121189)]