21611868

素因数分解:

$2^2\times 3^1\times {\mathrm{541}}^1\times {\mathrm{3329}}^1$

素因数の和:3877

約数の個数: 24

約数和(自身を含む): 50536080

約数和(自身を除く): 28924212

約数列:

[1, 2, 3, 4, 6, 12, 541, 1082, 1623, 2164, 3246, 3329, 6492, 6658, 9987, 13316, 19974, 39948, 1800989, 3601978, 5402967, 7203956, 10805934, 21611868]

約数ペア:

[(1, 21611868), (2, 10805934), (3, 7203956), (4, 5402967), (6, 3601978), (12, 1800989), (541, 39948), (1082, 19974), (1623, 13316), (2164, 9987), (3246, 6658), (3329, 6492)]