21121847

素因数分解:

${\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1$

素因数の和:298

約数の個数: 16

約数和(自身を含む): 22522752

約数和(自身を除く): 1400905

約数列:

[1, 41, 47, 97, 113, 1927, 3977, 4559, 4633, 5311, 10961, 186919, 217751, 449401, 515167, 21121847]

約数ペア:

[(1, 21121847), (41, 515167), (47, 449401), (97, 217751), (113, 186919), (1927, 10961), (3977, 5311), (4559, 4633)]