21215672373

素因数分解:

$3^1\times 7^1\times {\mathrm{907}}^1\times {\mathrm{1113859}}^1$

素因数の和:1114776

約数の個数: 16

約数和(自身を含む): 32364316160

約数和(自身を除く): 11148643787

約数列:

[1, 3, 7, 21, 907, 2721, 6349, 19047, 1113859, 3341577, 7797013, 23391039, 1010270113, 3030810339, 7071890791, 21215672373]

約数ペア:

[(1, 21215672373), (3, 7071890791), (7, 3030810339), (21, 1010270113), (907, 23391039), (2721, 7797013), (6349, 3341577), (19047, 1113859)]