21309670

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{1217}}^1$

素因数の和:1344

約数の個数: 32

約数和(自身を含む): 41041728

約数和(自身を除く): 19732058

約数列:

[1, 2, 5, 10, 17, 34, 85, 103, 170, 206, 515, 1030, 1217, 1751, 2434, 3502, 6085, 8755, 12170, 17510, 20689, 41378, 103445, 125351, 206890, 250702, 626755, 1253510, 2130967, 4261934, 10654835, 21309670]

約数ペア:

[(1, 21309670), (2, 10654835), (5, 4261934), (10, 2130967), (17, 1253510), (34, 626755), (85, 250702), (103, 206890), (170, 125351), (206, 103445), (515, 41378), (1030, 20689), (1217, 17510), (1751, 12170), (2434, 8755), (3502, 6085)]