21052140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{350869}}^1$

素因数の和:350881

約数の個数: 24

約数和(自身を含む): 58946160

約数和(自身を除く): 37894020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 350869, 701738, 1052607, 1403476, 1754345, 2105214, 3508690, 4210428, 5263035, 7017380, 10526070, 21052140]

約数ペア:

[(1, 21052140), (2, 10526070), (3, 7017380), (4, 5263035), (5, 4210428), (6, 3508690), (10, 2105214), (12, 1754345), (15, 1403476), (20, 1052607), (30, 701738), (60, 350869)]