21115386

素因数分解:

$2^1\times 3^2\times {\mathrm{149}}^1\times {\mathrm{7873}}^1$

素因数の和:8030

約数の個数: 24

約数和(自身を含む): 46062900

約数和(自身を除く): 24947514

約数列:

[1, 2, 3, 6, 9, 18, 149, 298, 447, 894, 1341, 2682, 7873, 15746, 23619, 47238, 70857, 141714, 1173077, 2346154, 3519231, 7038462, 10557693, 21115386]

約数ペア:

[(1, 21115386), (2, 10557693), (3, 7038462), (6, 3519231), (9, 2346154), (18, 1173077), (149, 141714), (298, 70857), (447, 47238), (894, 23619), (1341, 15746), (2682, 7873)]