21078078

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{16189}}^1$

素因数の和:16232

約数の個数: 32

約数和(自身を含む): 49735680

約数和(自身を除く): 28657602

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 62, 93, 186, 217, 434, 651, 1302, 16189, 32378, 48567, 97134, 113323, 226646, 339969, 501859, 679938, 1003718, 1505577, 3011154, 3513013, 7026026, 10539039, 21078078]

約数ペア:

[(1, 21078078), (2, 10539039), (3, 7026026), (6, 3513013), (7, 3011154), (14, 1505577), (21, 1003718), (31, 679938), (42, 501859), (62, 339969), (93, 226646), (186, 113323), (217, 97134), (434, 48567), (651, 32378), (1302, 16189)]