21568048

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:349

約数の個数: 40

約数和(自身を含む): 42966000

約数和(自身を除く): 21397952

約数列:

[1, 2, 4, 8, 16, 83, 109, 149, 166, 218, 298, 332, 436, 596, 664, 872, 1192, 1328, 1744, 2384, 9047, 12367, 16241, 18094, 24734, 32482, 36188, 49468, 64964, 72376, 98936, 129928, 144752, 197872, 259856, 1348003, 2696006, 5392012, 10784024, 21568048]

約数ペア:

[(1, 21568048), (2, 10784024), (4, 5392012), (8, 2696006), (16, 1348003), (83, 259856), (109, 197872), (149, 144752), (166, 129928), (218, 98936), (298, 72376), (332, 64964), (436, 49468), (596, 36188), (664, 32482), (872, 24734), (1192, 18094), (1328, 16241), (1744, 12367), (2384, 9047)]