21033774

素因数分解:

$2^1\times 3^2\times {\mathrm{641}}^1\times {\mathrm{1823}}^1$

素因数の和:2472

約数の個数: 24

約数和(自身を含む): 45669312

約数和(自身を除く): 24635538

約数列:

[1, 2, 3, 6, 9, 18, 641, 1282, 1823, 1923, 3646, 3846, 5469, 5769, 10938, 11538, 16407, 32814, 1168543, 2337086, 3505629, 7011258, 10516887, 21033774]

約数ペア:

[(1, 21033774), (2, 10516887), (3, 7011258), (6, 3505629), (9, 2337086), (18, 1168543), (641, 32814), (1282, 16407), (1823, 11538), (1923, 10938), (3646, 5769), (3846, 5469)]