21420888

素因数分解:

$2^3\times 3^1\times {\mathrm{101}}^1\times {\mathrm{8837}}^1$

素因数の和:8947

約数の個数: 32

約数和(自身を含む): 54088560

約数和(自身を除く): 32667672

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 101, 202, 303, 404, 606, 808, 1212, 2424, 8837, 17674, 26511, 35348, 53022, 70696, 106044, 212088, 892537, 1785074, 2677611, 3570148, 5355222, 7140296, 10710444, 21420888]

約数ペア:

[(1, 21420888), (2, 10710444), (3, 7140296), (4, 5355222), (6, 3570148), (8, 2677611), (12, 1785074), (24, 892537), (101, 212088), (202, 106044), (303, 70696), (404, 53022), (606, 35348), (808, 26511), (1212, 17674), (2424, 8837)]