21338530

素因数分解:

$2^1\times 5^1\times {\mathrm{59}}^2\times {\mathrm{613}}^1$

素因数の和:738

約数の個数: 24

約数和(自身を含む): 39135132

約数和(自身を除く): 17796602

約数列:

[1, 2, 5, 10, 59, 118, 295, 590, 613, 1226, 3065, 3481, 6130, 6962, 17405, 34810, 36167, 72334, 180835, 361670, 2133853, 4267706, 10669265, 21338530]

約数ペア:

[(1, 21338530), (2, 10669265), (5, 4267706), (10, 2133853), (59, 361670), (118, 180835), (295, 72334), (590, 36167), (613, 34810), (1226, 17405), (3065, 6962), (3481, 6130)]