21000923090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2290177}}^1$

素因数の和:2290322

約数の個数: 32

約数和(自身を含む): 43531703424

約数和(自身を除く): 22530780334

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 131, 262, 655, 917, 1310, 1834, 4585, 9170, 2290177, 4580354, 11450885, 16031239, 22901770, 32062478, 80156195, 160312390, 300013187, 600026374, 1500065935, 2100092309, 3000131870, 4200184618, 10500461545, 21000923090]

約数ペア:

[(1, 21000923090), (2, 10500461545), (5, 4200184618), (7, 3000131870), (10, 2100092309), (14, 1500065935), (35, 600026374), (70, 300013187), (131, 160312390), (262, 80156195), (655, 32062478), (917, 22901770), (1310, 16031239), (1834, 11450885), (4585, 4580354), (9170, 2290177)]