21094000

素因数分解:

$2^4\times 5^3\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:275

約数の個数: 80

約数和(自身を含む): 52228800

約数和(自身を除く): 31134800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 53, 80, 100, 106, 125, 199, 200, 212, 250, 265, 398, 400, 424, 500, 530, 796, 848, 995, 1000, 1060, 1325, 1592, 1990, 2000, 2120, 2650, 3184, 3980, 4240, 4975, 5300, 6625, 7960, 9950, 10547, 10600, 13250, 15920, 19900, 21094, 21200, 24875, 26500, 39800, 42188, 49750, 52735, 53000, 79600, 84376, 99500, 105470, 106000, 168752, 199000, 210940, 263675, 398000, 421880, 527350, 843760, 1054700, 1318375, 2109400, 2636750, 4218800, 5273500, 10547000, 21094000]

約数ペア:

[(1, 21094000), (2, 10547000), (4, 5273500), (5, 4218800), (8, 2636750), (10, 2109400), (16, 1318375), (20, 1054700), (25, 843760), (40, 527350), (50, 421880), (53, 398000), (80, 263675), (100, 210940), (106, 199000), (125, 168752), (199, 106000), (200, 105470), (212, 99500), (250, 84376), (265, 79600), (398, 53000), (400, 52735), (424, 49750), (500, 42188), (530, 39800), (796, 26500), (848, 24875), (995, 21200), (1000, 21094), (1060, 19900), (1325, 15920), (1592, 13250), (1990, 10600), (2000, 10547), (2120, 9950), (2650, 7960), (3184, 6625), (3980, 5300), (4240, 4975)]