21082180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{150587}}^1$

素因数の和:150603

約数の個数: 24

約数和(自身を含む): 50597568

約数和(自身を除く): 29515388

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 150587, 301174, 602348, 752935, 1054109, 1505870, 2108218, 3011740, 4216436, 5270545, 10541090, 21082180]

約数ペア:

[(1, 21082180), (2, 10541090), (4, 5270545), (5, 4216436), (7, 3011740), (10, 2108218), (14, 1505870), (20, 1054109), (28, 752935), (35, 602348), (70, 301174), (140, 150587)]