21749507

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1861}}^1$

素因数の和:1934

約数の個数: 16

約数和(自身を含む): 25025280

約数和(自身を除く): 3275773

約数列:

[1, 13, 29, 31, 377, 403, 899, 1861, 11687, 24193, 53969, 57691, 701597, 749983, 1673039, 21749507]

約数ペア:

[(1, 21749507), (13, 1673039), (29, 749983), (31, 701597), (377, 57691), (403, 53969), (899, 24193), (1861, 11687)]