21937041

素因数分解:

$3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3137}}^1$

素因数の和:3190

約数の個数: 32

約数和(自身を含む): 38158080

約数和(自身を除く): 16221039

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 111, 189, 259, 333, 777, 999, 2331, 3137, 6993, 9411, 21959, 28233, 65877, 84699, 116069, 197631, 348207, 592893, 812483, 1044621, 2437449, 3133863, 7312347, 21937041]

約数ペア:

[(1, 21937041), (3, 7312347), (7, 3133863), (9, 2437449), (21, 1044621), (27, 812483), (37, 592893), (63, 348207), (111, 197631), (189, 116069), (259, 84699), (333, 65877), (777, 28233), (999, 21959), (2331, 9411), (3137, 6993)]