21487866.000000000

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{191}}^1$

素因数の和:261

約数の個数: 144

約数和(自身を含む): 321076224

約数和(自身を除く): 214379040

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 23, 24, 32, 33, 44, 46, 48, 66, 69, 88, 92, 96, 132, 138, 176, 184, 191, 253, 264, 276, 352, 368, 382, 506, 528, 529, 552, 573, 736, 759, 764, 1012, 1056, 1058, 1104, 1146, 1518, 1528, 1587, 2024, 2101, 2116, 2208, 2292, 3036, 3056, 3174, 4048, 4202, 4232, 4393, 4584, 5819, 6072, 6112, 6303, 6348, 8096, 8404, 8464, 8786, 9168, 11638, 12144, 12606, 12696, 13179, 16808, 16928, 17457, 17572, 18336, 23276, 24288, 25212, 25392, 26358, 33616, 34914, 35144, 46552, 48323, 50424, 50784, 52716, 67232, 69828, 70288, 93104, 96646, 100848, 101039, 105432, 139656, 140576, 144969, 186208, 193292, 201696, 202078, 210864, 279312, 289938, 303117, 386584, 404156, 421728, 558624, 579876, 606234, 773168, 808312, 1111429, 1159752, 1212468, 1546336, 1616624, 2222858, 2319504, 2424936, 3233248, 3334287, 4445716, 4639008, 4849872, 6668574, 8891432, 9699744, 13337148, 17782864, 26674296, 35565728, 53348592, 106697184]

約数ペア:

[(1, 106697184), (2, 53348592), (3, 35565728), (4, 26674296), (6, 17782864), (8, 13337148), (11, 9699744), (12, 8891432), (16, 6668574), (22, 4849872), (23, 4639008), (24, 4445716), (32, 3334287), (33, 3233248), (44, 2424936), (46, 2319504), (48, 2222858), (66, 1616624), (69, 1546336), (88, 1212468), (92, 1159752), (96, 1111429), (132, 808312), (138, 773168), (176, 606234), (184, 579876), (191, 558624), (253, 421728), (264, 404156), (276, 386584), (352, 303117), (368, 289938), (382, 279312), (506, 210864), (528, 202078), (529, 201696), (552, 193292), (573, 186208), (736, 144969), (759, 140576), (764, 139656), (1012, 105432), (1056, 101039), (1058, 100848), (1104, 96646), (1146, 93104), (1518, 70288), (1528, 69828), (1587, 67232), (2024, 52716), (2101, 50784), (2116, 50424), (2208, 48323), (2292, 46552), (3036, 35144), (3056, 34914), (3174, 33616), (4048, 26358), (4202, 25392), (4232, 25212), (4393, 24288), (4584, 23276), (5819, 18336), (6072, 17572), (6112, 17457), (6303, 16928), (6348, 16808), (8096, 13179), (8404, 12696), (8464, 12606), (8786, 12144), (9168, 11638)]