21989670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43117}}^1$

素因数の和:43144

約数の個数: 32

約数和(自身を含む): 55880928

約数和(自身を除く): 33891258

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 43117, 86234, 129351, 215585, 258702, 431170, 646755, 732989, 1293510, 1465978, 2198967, 3664945, 4397934, 7329890, 10994835, 21989670]

約数ペア:

[(1, 21989670), (2, 10994835), (3, 7329890), (5, 4397934), (6, 3664945), (10, 2198967), (15, 1465978), (17, 1293510), (30, 732989), (34, 646755), (51, 431170), (85, 258702), (102, 215585), (170, 129351), (255, 86234), (510, 43117)]