21031536

素因数分解:

$2^4\times 3^1\times {\mathrm{83}}^1\times {\mathrm{5279}}^1$

素因数の和:5373

約数の個数: 40

約数和(自身を含む): 54996480

約数和(自身を除く): 33964944

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 83, 166, 249, 332, 498, 664, 996, 1328, 1992, 3984, 5279, 10558, 15837, 21116, 31674, 42232, 63348, 84464, 126696, 253392, 438157, 876314, 1314471, 1752628, 2628942, 3505256, 5257884, 7010512, 10515768, 21031536]

約数ペア:

[(1, 21031536), (2, 10515768), (3, 7010512), (4, 5257884), (6, 3505256), (8, 2628942), (12, 1752628), (16, 1314471), (24, 876314), (48, 438157), (83, 253392), (166, 126696), (249, 84464), (332, 63348), (498, 42232), (664, 31674), (996, 21116), (1328, 15837), (1992, 10558), (3984, 5279)]