21656208

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{64453}}^1$

素因数の和:64471

約数の個数: 40

約数和(自身を含む): 63938368

約数和(自身を除く): 42282160

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 64453, 128906, 193359, 257812, 386718, 451171, 515624, 773436, 902342, 1031248, 1353513, 1546872, 1804684, 2707026, 3093744, 3609368, 5414052, 7218736, 10828104, 21656208]

約数ペア:

[(1, 21656208), (2, 10828104), (3, 7218736), (4, 5414052), (6, 3609368), (7, 3093744), (8, 2707026), (12, 1804684), (14, 1546872), (16, 1353513), (21, 1031248), (24, 902342), (28, 773436), (42, 515624), (48, 451171), (56, 386718), (84, 257812), (112, 193359), (168, 128906), (336, 64453)]