21226980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{353783}}^1$

素因数の和:353795

約数の個数: 24

約数和(自身を含む): 59435712

約数和(自身を除く): 38208732

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 353783, 707566, 1061349, 1415132, 1768915, 2122698, 3537830, 4245396, 5306745, 7075660, 10613490, 21226980]

約数ペア:

[(1, 21226980), (2, 10613490), (3, 7075660), (4, 5306745), (5, 4245396), (6, 3537830), (10, 2122698), (12, 1768915), (15, 1415132), (20, 1061349), (30, 707566), (60, 353783)]