21018998

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{10499}}^1$

素因数の和:10532

約数の個数: 32

約数和(自身を含む): 42336000

約数和(自身を除く): 21317002

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 182, 286, 1001, 2002, 10499, 20998, 73493, 115489, 136487, 146986, 230978, 272974, 808423, 955409, 1501357, 1616846, 1910818, 3002714, 10509499, 21018998]

約数ペア:

[(1, 21018998), (2, 10509499), (7, 3002714), (11, 1910818), (13, 1616846), (14, 1501357), (22, 955409), (26, 808423), (77, 272974), (91, 230978), (143, 146986), (154, 136487), (182, 115489), (286, 73493), (1001, 20998), (2002, 10499)]