21044331

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{30367}}^1$

素因数の和:30391

約数の個数: 24

約数和(自身を含む): 37899264

約数和(自身を除く): 16854933

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 30367, 91101, 212569, 273303, 334037, 637707, 1002111, 1913121, 2338259, 3006333, 7014777, 21044331]

約数ペア:

[(1, 21044331), (3, 7014777), (7, 3006333), (9, 2338259), (11, 1913121), (21, 1002111), (33, 637707), (63, 334037), (77, 273303), (99, 212569), (231, 91101), (693, 30367)]