21080024

素因数分解:

$2^3\times 7^1\times {\mathrm{337}}^1\times {\mathrm{1117}}^1$

素因数の和:1467

約数の個数: 32

約数和(自身を含む): 45346080

約数和(自身を除く): 24266056

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 337, 674, 1117, 1348, 2234, 2359, 2696, 4468, 4718, 7819, 8936, 9436, 15638, 18872, 31276, 62552, 376429, 752858, 1505716, 2635003, 3011432, 5270006, 10540012, 21080024]

約数ペア:

[(1, 21080024), (2, 10540012), (4, 5270006), (7, 3011432), (8, 2635003), (14, 1505716), (28, 752858), (56, 376429), (337, 62552), (674, 31276), (1117, 18872), (1348, 15638), (2234, 9436), (2359, 8936), (2696, 7819), (4468, 4718)]