21538884

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{349}}^1$

素因数の和:532

約数の個数: 48

約数和(自身を含む): 52136000

約数和(自身を除く): 30597116

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 139, 148, 222, 278, 349, 417, 444, 556, 698, 834, 1047, 1396, 1668, 2094, 4188, 5143, 10286, 12913, 15429, 20572, 25826, 30858, 38739, 48511, 51652, 61716, 77478, 97022, 145533, 154956, 194044, 291066, 582132, 1794907, 3589814, 5384721, 7179628, 10769442, 21538884]

約数ペア:

[(1, 21538884), (2, 10769442), (3, 7179628), (4, 5384721), (6, 3589814), (12, 1794907), (37, 582132), (74, 291066), (111, 194044), (139, 154956), (148, 145533), (222, 97022), (278, 77478), (349, 61716), (417, 51652), (444, 48511), (556, 38739), (698, 30858), (834, 25826), (1047, 20572), (1396, 15429), (1668, 12913), (2094, 10286), (4188, 5143)]