21138767

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{1193}}^1$

素因数の和:1282

約数の個数: 16

約数和(自身を含む): 24071040

約数和(自身を除く): 2932273

約数列:

[1, 13, 29, 47, 377, 611, 1193, 1363, 15509, 17719, 34597, 56071, 449761, 728923, 1626059, 21138767]

約数ペア:

[(1, 21138767), (13, 1626059), (29, 728923), (47, 449761), (377, 56071), (611, 34597), (1193, 17719), (1363, 15509)]