21198979000

素因数分解:

$2^3\times 5^3\times {\mathrm{21198979}}^1$

素因数の和:21199000

約数の個数: 32

約数和(自身を含む): 49605613200

約数和(自身を除く): 28406634200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 21198979, 42397958, 84795916, 105994895, 169591832, 211989790, 423979580, 529974475, 847959160, 1059948950, 2119897900, 2649872375, 4239795800, 5299744750, 10599489500, 21198979000]

約数ペア:

[(1, 21198979000), (2, 10599489500), (4, 5299744750), (5, 4239795800), (8, 2649872375), (10, 2119897900), (20, 1059948950), (25, 847959160), (40, 529974475), (50, 423979580), (100, 211989790), (125, 169591832), (200, 105994895), (250, 84795916), (500, 42397958), (1000, 21198979)]