21350352

素因数分解:

$2^4\times 3^1\times {\mathrm{107}}^1\times {\mathrm{4157}}^1$

素因数の和:4275

約数の個数: 40

約数和(自身を含む): 55683936

約数和(自身を除く): 34333584

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 107, 214, 321, 428, 642, 856, 1284, 1712, 2568, 4157, 5136, 8314, 12471, 16628, 24942, 33256, 49884, 66512, 99768, 199536, 444799, 889598, 1334397, 1779196, 2668794, 3558392, 5337588, 7116784, 10675176, 21350352]

約数ペア:

[(1, 21350352), (2, 10675176), (3, 7116784), (4, 5337588), (6, 3558392), (8, 2668794), (12, 1779196), (16, 1334397), (24, 889598), (48, 444799), (107, 199536), (214, 99768), (321, 66512), (428, 49884), (642, 33256), (856, 24942), (1284, 16628), (1712, 12471), (2568, 8314), (4157, 5136)]