21274649

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{701}}^1$

素因数の和:832

約数の個数: 16

約数和(自身を含む): 24261120

約数和(自身を除く): 2986471

約数列:

[1, 11, 31, 89, 341, 701, 979, 2759, 7711, 21731, 30349, 62389, 239041, 686279, 1934059, 21274649]

約数ペア:

[(1, 21274649), (11, 1934059), (31, 686279), (89, 239041), (341, 62389), (701, 30349), (979, 21731), (2759, 7711)]