21000605800

素因数分解:

$2^3\times 5^2\times {\mathrm{47}}^1\times {\mathrm{2234107}}^1$

素因数の和:2234170

約数の個数: 48

約数和(自身を含む): 49865290560

約数和(自身を除く): 28864684760

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 47, 50, 94, 100, 188, 200, 235, 376, 470, 940, 1175, 1880, 2350, 4700, 9400, 2234107, 4468214, 8936428, 11170535, 17872856, 22341070, 44682140, 55852675, 89364280, 105003029, 111705350, 210006058, 223410700, 420012116, 446821400, 525015145, 840024232, 1050030290, 2100060580, 2625075725, 4200121160, 5250151450, 10500302900, 21000605800]

約数ペア:

[(1, 21000605800), (2, 10500302900), (4, 5250151450), (5, 4200121160), (8, 2625075725), (10, 2100060580), (20, 1050030290), (25, 840024232), (40, 525015145), (47, 446821400), (50, 420012116), (94, 223410700), (100, 210006058), (188, 111705350), (200, 105003029), (235, 89364280), (376, 55852675), (470, 44682140), (940, 22341070), (1175, 17872856), (1880, 11170535), (2350, 8936428), (4700, 4468214), (9400, 2234107)]