21438180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{119101}}^1$

素因数の和:119116

約数の個数: 36

約数和(自身を含む): 65029692

約数和(自身を除く): 43591512

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 119101, 238202, 357303, 476404, 595505, 714606, 1071909, 1191010, 1429212, 1786515, 2143818, 2382020, 3573030, 4287636, 5359545, 7146060, 10719090, 21438180]

約数ペア:

[(1, 21438180), (2, 10719090), (3, 7146060), (4, 5359545), (5, 4287636), (6, 3573030), (9, 2382020), (10, 2143818), (12, 1786515), (15, 1429212), (18, 1191010), (20, 1071909), (30, 714606), (36, 595505), (45, 476404), (60, 357303), (90, 238202), (180, 119101)]