21126080

素因数分解:

$2^6\times 5^1\times {\mathrm{107}}^1\times {\mathrm{617}}^1$

素因数の和:741

約数の個数: 56

約数和(自身を含む): 50858928

約数和(自身を除く): 29732848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 107, 160, 214, 320, 428, 535, 617, 856, 1070, 1234, 1712, 2140, 2468, 3085, 3424, 4280, 4936, 6170, 6848, 8560, 9872, 12340, 17120, 19744, 24680, 34240, 39488, 49360, 66019, 98720, 132038, 197440, 264076, 330095, 528152, 660190, 1056304, 1320380, 2112608, 2640760, 4225216, 5281520, 10563040, 21126080]

約数ペア:

[(1, 21126080), (2, 10563040), (4, 5281520), (5, 4225216), (8, 2640760), (10, 2112608), (16, 1320380), (20, 1056304), (32, 660190), (40, 528152), (64, 330095), (80, 264076), (107, 197440), (160, 132038), (214, 98720), (320, 66019), (428, 49360), (535, 39488), (617, 34240), (856, 24680), (1070, 19744), (1234, 17120), (1712, 12340), (2140, 9872), (2468, 8560), (3085, 6848), (3424, 6170), (4280, 4936)]