21309456

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{63421}}^1$

素因数の和:63439

約数の個数: 40

約数和(自身を含む): 62914624

約数和(自身を除く): 41605168

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 63421, 126842, 190263, 253684, 380526, 443947, 507368, 761052, 887894, 1014736, 1331841, 1522104, 1775788, 2663682, 3044208, 3551576, 5327364, 7103152, 10654728, 21309456]

約数ペア:

[(1, 21309456), (2, 10654728), (3, 7103152), (4, 5327364), (6, 3551576), (7, 3044208), (8, 2663682), (12, 1775788), (14, 1522104), (16, 1331841), (21, 1014736), (24, 887894), (28, 761052), (42, 507368), (48, 443947), (56, 380526), (84, 253684), (112, 190263), (168, 126842), (336, 63421)]