21084780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{351413}}^1$

素因数の和:351425

約数の個数: 24

約数和(自身を含む): 59037552

約数和(自身を除く): 37952772

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 351413, 702826, 1054239, 1405652, 1757065, 2108478, 3514130, 4216956, 5271195, 7028260, 10542390, 21084780]

約数ペア:

[(1, 21084780), (2, 10542390), (3, 7028260), (4, 5271195), (5, 4216956), (6, 3514130), (10, 2108478), (12, 1757065), (15, 1405652), (20, 1054239), (30, 702826), (60, 351413)]