21131226120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{569}}^1\times {\mathrm{309479}}^1$

素因数の和:310062

約数の個数: 64

約数和(自身を含む): 63505296000

約数和(自身を除く): 42374069880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 569, 1138, 1707, 2276, 2845, 3414, 4552, 5690, 6828, 8535, 11380, 13656, 17070, 22760, 34140, 68280, 309479, 618958, 928437, 1237916, 1547395, 1856874, 2475832, 3094790, 3713748, 4642185, 6189580, 7427496, 9284370, 12379160, 18568740, 37137480, 176093551, 352187102, 528280653, 704374204, 880467755, 1056561306, 1408748408, 1760935510, 2113122612, 2641403265, 3521871020, 4226245224, 5282806530, 7043742040, 10565613060, 21131226120]

約数ペア:

[(1, 21131226120), (2, 10565613060), (3, 7043742040), (4, 5282806530), (5, 4226245224), (6, 3521871020), (8, 2641403265), (10, 2113122612), (12, 1760935510), (15, 1408748408), (20, 1056561306), (24, 880467755), (30, 704374204), (40, 528280653), (60, 352187102), (120, 176093551), (569, 37137480), (1138, 18568740), (1707, 12379160), (2276, 9284370), (2845, 7427496), (3414, 6189580), (4552, 4642185), (5690, 3713748), (6828, 3094790), (8535, 2475832), (11380, 1856874), (13656, 1547395), (17070, 1237916), (22760, 928437), (34140, 618958), (68280, 309479)]