21000746724

素因数分解:

$2^2\times 3^1\times {\mathrm{263}}^1\times {\mathrm{6654229}}^1$

素因数の和:6654499

約数の個数: 24

約数和(自身を含む): 49188068160

約数和(自身を除く): 28187321436

約数列:

[1, 2, 3, 4, 6, 12, 263, 526, 789, 1052, 1578, 3156, 6654229, 13308458, 19962687, 26616916, 39925374, 79850748, 1750062227, 3500124454, 5250186681, 7000248908, 10500373362, 21000746724]

約数ペア:

[(1, 21000746724), (2, 10500373362), (3, 7000248908), (4, 5250186681), (6, 3500124454), (12, 1750062227), (263, 79850748), (526, 39925374), (789, 26616916), (1052, 19962687), (1578, 13308458), (3156, 6654229)]