21893166

素因数分解:

$2^1\times 3^4\times {\mathrm{149}}^1\times {\mathrm{907}}^1$

素因数の和:1070

約数の個数: 40

約数和(自身を含む): 49440600

約数和(自身を除く): 27547434

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 149, 162, 298, 447, 894, 907, 1341, 1814, 2682, 2721, 4023, 5442, 8046, 8163, 12069, 16326, 24138, 24489, 48978, 73467, 135143, 146934, 270286, 405429, 810858, 1216287, 2432574, 3648861, 7297722, 10946583, 21893166]

約数ペア:

[(1, 21893166), (2, 10946583), (3, 7297722), (6, 3648861), (9, 2432574), (18, 1216287), (27, 810858), (54, 405429), (81, 270286), (149, 146934), (162, 135143), (298, 73467), (447, 48978), (894, 24489), (907, 24138), (1341, 16326), (1814, 12069), (2682, 8163), (2721, 8046), (4023, 5442)]