21139938216

素因数分解:

$2^3\times 3^2\times {\mathrm{157}}^1\times {\mathrm{1870129}}^1$

素因数の和:1870298

約数の個数: 48

約数和(自身を含む): 57618705300

約数和(自身を除く): 36478767084

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 157, 314, 471, 628, 942, 1256, 1413, 1884, 2826, 3768, 5652, 11304, 1870129, 3740258, 5610387, 7480516, 11220774, 14961032, 16831161, 22441548, 33662322, 44883096, 67324644, 134649288, 293610253, 587220506, 880830759, 1174441012, 1761661518, 2348882024, 2642492277, 3523323036, 5284984554, 7046646072, 10569969108, 21139938216]

約数ペア:

[(1, 21139938216), (2, 10569969108), (3, 7046646072), (4, 5284984554), (6, 3523323036), (8, 2642492277), (9, 2348882024), (12, 1761661518), (18, 1174441012), (24, 880830759), (36, 587220506), (72, 293610253), (157, 134649288), (314, 67324644), (471, 44883096), (628, 33662322), (942, 22441548), (1256, 16831161), (1413, 14961032), (1884, 11220774), (2826, 7480516), (3768, 5610387), (5652, 3740258), (11304, 1870129)]