40210821

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{4799}}^1$

素因数の和:4838

約数の個数: 36

約数和(自身を含む): 71136000

約数和(自身を除く): 30925179

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 931, 1197, 2793, 4799, 8379, 14397, 33593, 43191, 91181, 100779, 235151, 273543, 302337, 638267, 705453, 820629, 1914801, 2116359, 4467869, 5744403, 13403607, 40210821]

約数ペア:

[(1, 40210821), (3, 13403607), (7, 5744403), (9, 4467869), (19, 2116359), (21, 1914801), (49, 820629), (57, 705453), (63, 638267), (133, 302337), (147, 273543), (171, 235151), (399, 100779), (441, 91181), (931, 43191), (1197, 33593), (2793, 14397), (4799, 8379)]