21702213

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{739}}^1$

素因数の和:1009

約数の個数: 24

約数和(自身を含む): 33939360

約数和(自身を除く): 12237147

約数列:

[1, 3, 9, 13, 39, 117, 251, 739, 753, 2217, 2259, 3263, 6651, 9607, 9789, 28821, 29367, 86463, 185489, 556467, 1669401, 2411357, 7234071, 21702213]

約数ペア:

[(1, 21702213), (3, 7234071), (9, 2411357), (13, 1669401), (39, 556467), (117, 185489), (251, 86463), (739, 29367), (753, 28821), (2217, 9789), (2259, 9607), (3263, 6651)]