21142835

素因数分解:

$5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{5981}}^1$

素因数の和:6094

約数の個数: 16

約数和(自身を含む): 29287872

約数和(自身を除く): 8145037

約数列:

[1, 5, 7, 35, 101, 505, 707, 3535, 5981, 29905, 41867, 209335, 604081, 3020405, 4228567, 21142835]

約数ペア:

[(1, 21142835), (5, 4228567), (7, 3020405), (35, 604081), (101, 209335), (505, 41867), (707, 29905), (3535, 5981)]