21649716

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2377}}^1$

素因数の和:2421

約数の個数: 72

約数和(自身を含む): 62322624

約数和(自身を除く): 40672908

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 23, 33, 36, 44, 46, 66, 69, 92, 99, 132, 138, 198, 207, 253, 276, 396, 414, 506, 759, 828, 1012, 1518, 2277, 2377, 3036, 4554, 4754, 7131, 9108, 9508, 14262, 21393, 26147, 28524, 42786, 52294, 54671, 78441, 85572, 104588, 109342, 156882, 164013, 218684, 235323, 313764, 328026, 470646, 492039, 601381, 656052, 941292, 984078, 1202762, 1804143, 1968156, 2405524, 3608286, 5412429, 7216572, 10824858, 21649716]

約数ペア:

[(1, 21649716), (2, 10824858), (3, 7216572), (4, 5412429), (6, 3608286), (9, 2405524), (11, 1968156), (12, 1804143), (18, 1202762), (22, 984078), (23, 941292), (33, 656052), (36, 601381), (44, 492039), (46, 470646), (66, 328026), (69, 313764), (92, 235323), (99, 218684), (132, 164013), (138, 156882), (198, 109342), (207, 104588), (253, 85572), (276, 78441), (396, 54671), (414, 52294), (506, 42786), (759, 28524), (828, 26147), (1012, 21393), (1518, 14262), (2277, 9508), (2377, 9108), (3036, 7131), (4554, 4754)]