21043695

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{20939}}^1$

素因数の和:21014

約数の個数: 16

約数和(自身を含む): 34174080

約数和(自身を除く): 13130385

約数列:

[1, 3, 5, 15, 67, 201, 335, 1005, 20939, 62817, 104695, 314085, 1402913, 4208739, 7014565, 21043695]

約数ペア:

[(1, 21043695), (3, 7014565), (5, 4208739), (15, 1402913), (67, 314085), (201, 104695), (335, 62817), (1005, 20939)]