2160821859

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1\times {\mathrm{7187}}^1$

素因数の和:7439

約数の個数: 32

約数和(自身を含む): 3349032960

約数和(自身を除く): 1188211101

約数列:

[1, 3, 7, 21, 103, 139, 309, 417, 721, 973, 2163, 2919, 7187, 14317, 21561, 42951, 50309, 100219, 150927, 300657, 740261, 998993, 2220783, 2996979, 5181827, 6992951, 15545481, 20978853, 102896279, 308688837, 720273953, 2160821859]

約数ペア:

[(1, 2160821859), (3, 720273953), (7, 308688837), (21, 102896279), (103, 20978853), (139, 15545481), (309, 6992951), (417, 5181827), (721, 2996979), (973, 2220783), (2163, 998993), (2919, 740261), (7187, 300657), (14317, 150927), (21561, 100219), (42951, 50309)]