21899943

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1451}}^1$

素因数の和:1516

約数の個数: 32

約数和(自身を含む): 35777280

約数和(自身を除く): 13877337

約数列:

[1, 3, 9, 13, 27, 39, 43, 117, 129, 351, 387, 559, 1161, 1451, 1677, 4353, 5031, 13059, 15093, 18863, 39177, 56589, 62393, 169767, 187179, 509301, 561537, 811109, 1684611, 2433327, 7299981, 21899943]

約数ペア:

[(1, 21899943), (3, 7299981), (9, 2433327), (13, 1684611), (27, 811109), (39, 561537), (43, 509301), (117, 187179), (129, 169767), (351, 62393), (387, 56589), (559, 39177), (1161, 18863), (1451, 15093), (1677, 13059), (4353, 5031)]