21570934

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{140071}}^1$

素因数の和:140091

約数の個数: 16

約数和(自身を含む): 40340736

約数和(自身を除く): 18769802

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 140071, 280142, 980497, 1540781, 1960994, 3081562, 10785467, 21570934]

約数ペア:

[(1, 21570934), (2, 10785467), (7, 3081562), (11, 1960994), (14, 1540781), (22, 980497), (77, 280142), (154, 140071)]