21127402600

素因数分解:

$2^3\times 5^2\times {\mathrm{229}}^1\times {\mathrm{461297}}^1$

素因数の和:461542

約数の個数: 48

約数和(自身を含む): 49335821100

約数和(自身を除く): 28208418500

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 229, 458, 916, 1145, 1832, 2290, 4580, 5725, 9160, 11450, 22900, 45800, 461297, 922594, 1845188, 2306485, 3690376, 4612970, 9225940, 11532425, 18451880, 23064850, 46129700, 92259400, 105637013, 211274026, 422548052, 528185065, 845096104, 1056370130, 2112740260, 2640925325, 4225480520, 5281850650, 10563701300, 21127402600]

約数ペア:

[(1, 21127402600), (2, 10563701300), (4, 5281850650), (5, 4225480520), (8, 2640925325), (10, 2112740260), (20, 1056370130), (25, 845096104), (40, 528185065), (50, 422548052), (100, 211274026), (200, 105637013), (229, 92259400), (458, 46129700), (916, 23064850), (1145, 18451880), (1832, 11532425), (2290, 9225940), (4580, 4612970), (5725, 3690376), (9160, 2306485), (11450, 1845188), (22900, 922594), (45800, 461297)]