21695256

素因数分解:

$2^3\times 3^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1$

素因数の和:446

約数の個数: 128

約数和(自身を含む): 68774400

約数和(自身を除く): 47079144

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 23, 24, 27, 33, 36, 44, 46, 54, 66, 69, 72, 88, 92, 99, 108, 132, 138, 184, 198, 207, 216, 253, 264, 276, 297, 396, 397, 414, 506, 552, 594, 621, 759, 792, 794, 828, 1012, 1188, 1191, 1242, 1518, 1588, 1656, 2024, 2277, 2376, 2382, 2484, 3036, 3176, 3573, 4367, 4554, 4764, 4968, 6072, 6831, 7146, 8734, 9108, 9131, 9528, 10719, 13101, 13662, 14292, 17468, 18216, 18262, 21438, 26202, 27324, 27393, 28584, 34936, 36524, 39303, 42876, 52404, 54648, 54786, 73048, 78606, 82179, 85752, 100441, 104808, 109572, 117909, 157212, 164358, 200882, 219144, 235818, 246537, 301323, 314424, 328716, 401764, 471636, 493074, 602646, 657432, 803528, 903969, 943272, 986148, 1205292, 1807938, 1972296, 2410584, 2711907, 3615876, 5423814, 7231752, 10847628, 21695256]

約数ペア:

[(1, 21695256), (2, 10847628), (3, 7231752), (4, 5423814), (6, 3615876), (8, 2711907), (9, 2410584), (11, 1972296), (12, 1807938), (18, 1205292), (22, 986148), (23, 943272), (24, 903969), (27, 803528), (33, 657432), (36, 602646), (44, 493074), (46, 471636), (54, 401764), (66, 328716), (69, 314424), (72, 301323), (88, 246537), (92, 235818), (99, 219144), (108, 200882), (132, 164358), (138, 157212), (184, 117909), (198, 109572), (207, 104808), (216, 100441), (253, 85752), (264, 82179), (276, 78606), (297, 73048), (396, 54786), (397, 54648), (414, 52404), (506, 42876), (552, 39303), (594, 36524), (621, 34936), (759, 28584), (792, 27393), (794, 27324), (828, 26202), (1012, 21438), (1188, 18262), (1191, 18216), (1242, 17468), (1518, 14292), (1588, 13662), (1656, 13101), (2024, 10719), (2277, 9528), (2376, 9131), (2382, 9108), (2484, 8734), (3036, 7146), (3176, 6831), (3573, 6072), (4367, 4968), (4554, 4764)]