21183530

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{353}}^2$

素因数の和:730

約数の個数: 24

約数和(自身を含む): 40488012

約数和(自身を除く): 19304482

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 353, 706, 1765, 3530, 6001, 12002, 30005, 60010, 124609, 249218, 623045, 1246090, 2118353, 4236706, 10591765, 21183530]

約数ペア:

[(1, 21183530), (2, 10591765), (5, 4236706), (10, 2118353), (17, 1246090), (34, 623045), (85, 249218), (170, 124609), (353, 60010), (706, 30005), (1765, 12002), (3530, 6001)]