21534291

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{1451}}^1$

素因数の和:1571

約数の個数: 24

約数和(自身を含む): 33297264

約数和(自身を除く): 11762973

約数列:

[1, 3, 9, 17, 51, 97, 153, 291, 873, 1451, 1649, 4353, 4947, 13059, 14841, 24667, 74001, 140747, 222003, 422241, 1266723, 2392699, 7178097, 21534291]

約数ペア:

[(1, 21534291), (3, 7178097), (9, 2392699), (17, 1266723), (51, 422241), (97, 222003), (153, 140747), (291, 74001), (873, 24667), (1451, 14841), (1649, 13059), (4353, 4947)]