21109740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{351829}}^1$

素因数の和:351841

約数の個数: 24

約数和(自身を含む): 59107440

約数和(自身を除く): 37997700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 351829, 703658, 1055487, 1407316, 1759145, 2110974, 3518290, 4221948, 5277435, 7036580, 10554870, 21109740]

約数ペア:

[(1, 21109740), (2, 10554870), (3, 7036580), (4, 5277435), (5, 4221948), (6, 3518290), (10, 2110974), (12, 1759145), (15, 1407316), (20, 1055487), (30, 703658), (60, 351829)]