21401000

素因数分解:

$2^3\times 5^3\times {\mathrm{21401}}^1$

素因数の和:21422

約数の個数: 32

約数和(自身を含む): 50080680

約数和(自身を除く): 28679680

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 21401, 42802, 85604, 107005, 171208, 214010, 428020, 535025, 856040, 1070050, 2140100, 2675125, 4280200, 5350250, 10700500, 21401000]

約数ペア:

[(1, 21401000), (2, 10700500), (4, 5350250), (5, 4280200), (8, 2675125), (10, 2140100), (20, 1070050), (25, 856040), (40, 535025), (50, 428020), (100, 214010), (125, 171208), (200, 107005), (250, 85604), (500, 42802), (1000, 21401)]