21009314571

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{21286033}}^1$

素因数の和:21286090

約数の個数: 16

約数和(自身を含む): 32695348224

約数和(自身を除く): 11686033653

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 21286033, 63858099, 149002231, 447006693, 1000443551, 3001330653, 7003104857, 21009314571]

約数ペア:

[(1, 21009314571), (3, 7003104857), (7, 3001330653), (21, 1000443551), (47, 447006693), (141, 149002231), (329, 63858099), (987, 21286033)]