21319536

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{593}}^1$

素因数の和:718

約数の個数: 80

約数和(自身を含む): 63638784

約数和(自身を除く): 42319248

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 107, 112, 168, 214, 321, 336, 428, 593, 642, 749, 856, 1186, 1284, 1498, 1712, 1779, 2247, 2372, 2568, 2996, 3558, 4151, 4494, 4744, 5136, 5992, 7116, 8302, 8988, 9488, 11984, 12453, 14232, 16604, 17976, 24906, 28464, 33208, 35952, 49812, 63451, 66416, 99624, 126902, 190353, 199248, 253804, 380706, 444157, 507608, 761412, 888314, 1015216, 1332471, 1522824, 1776628, 2664942, 3045648, 3553256, 5329884, 7106512, 10659768, 21319536]

約数ペア:

[(1, 21319536), (2, 10659768), (3, 7106512), (4, 5329884), (6, 3553256), (7, 3045648), (8, 2664942), (12, 1776628), (14, 1522824), (16, 1332471), (21, 1015216), (24, 888314), (28, 761412), (42, 507608), (48, 444157), (56, 380706), (84, 253804), (107, 199248), (112, 190353), (168, 126902), (214, 99624), (321, 66416), (336, 63451), (428, 49812), (593, 35952), (642, 33208), (749, 28464), (856, 24906), (1186, 17976), (1284, 16604), (1498, 14232), (1712, 12453), (1779, 11984), (2247, 9488), (2372, 8988), (2568, 8302), (2996, 7116), (3558, 5992), (4151, 5136), (4494, 4744)]