21423216

素因数分解:

$2^4\times 3^1\times {\mathrm{131}}^1\times {\mathrm{3407}}^1$

素因数の和:3549

約数の個数: 40

約数和(自身を含む): 55782144

約数和(自身を除く): 34358928

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 131, 262, 393, 524, 786, 1048, 1572, 2096, 3144, 3407, 6288, 6814, 10221, 13628, 20442, 27256, 40884, 54512, 81768, 163536, 446317, 892634, 1338951, 1785268, 2677902, 3570536, 5355804, 7141072, 10711608, 21423216]

約数ペア:

[(1, 21423216), (2, 10711608), (3, 7141072), (4, 5355804), (6, 3570536), (8, 2677902), (12, 1785268), (16, 1338951), (24, 892634), (48, 446317), (131, 163536), (262, 81768), (393, 54512), (524, 40884), (786, 27256), (1048, 20442), (1572, 13628), (2096, 10221), (3144, 6814), (3407, 6288)]