21238156767

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{613}}^1\times {\mathrm{217901}}^1$

素因数の和:218570

約数の個数: 16

約数和(自身を含む): 28899034848

約数和(自身を除く): 7660878081

約数列:

[1, 3, 53, 159, 613, 1839, 32489, 97467, 217901, 653703, 11548753, 34646259, 133573313, 400719939, 7079385589, 21238156767]

約数ペア:

[(1, 21238156767), (3, 7079385589), (53, 400719939), (159, 133573313), (613, 34646259), (1839, 11548753), (32489, 653703), (97467, 217901)]