21795804

素因数分解:

$2^2\times 3^4\times {\mathrm{67271}}^1$

素因数の和:67287

約数の個数: 30

約数和(自身を含む): 56979384

約数和(自身を除く): 35183580

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 67271, 134542, 201813, 269084, 403626, 605439, 807252, 1210878, 1816317, 2421756, 3632634, 5448951, 7265268, 10897902, 21795804]

約数ペア:

[(1, 21795804), (2, 10897902), (3, 7265268), (4, 5448951), (6, 3632634), (9, 2421756), (12, 1816317), (18, 1210878), (27, 807252), (36, 605439), (54, 403626), (81, 269084), (108, 201813), (162, 134542), (324, 67271)]