21579888

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1777}}^1$

素因数の和:1822

約数の個数: 80

約数和(自身を含む): 63495936

約数和(自身を除く): 41916048

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 23, 24, 33, 44, 46, 48, 66, 69, 88, 92, 132, 138, 176, 184, 253, 264, 276, 368, 506, 528, 552, 759, 1012, 1104, 1518, 1777, 2024, 3036, 3554, 4048, 5331, 6072, 7108, 10662, 12144, 14216, 19547, 21324, 28432, 39094, 40871, 42648, 58641, 78188, 81742, 85296, 117282, 122613, 156376, 163484, 234564, 245226, 312752, 326968, 449581, 469128, 490452, 653936, 899162, 938256, 980904, 1348743, 1798324, 1961808, 2697486, 3596648, 5394972, 7193296, 10789944, 21579888]

約数ペア:

[(1, 21579888), (2, 10789944), (3, 7193296), (4, 5394972), (6, 3596648), (8, 2697486), (11, 1961808), (12, 1798324), (16, 1348743), (22, 980904), (23, 938256), (24, 899162), (33, 653936), (44, 490452), (46, 469128), (48, 449581), (66, 326968), (69, 312752), (88, 245226), (92, 234564), (132, 163484), (138, 156376), (176, 122613), (184, 117282), (253, 85296), (264, 81742), (276, 78188), (368, 58641), (506, 42648), (528, 40871), (552, 39094), (759, 28432), (1012, 21324), (1104, 19547), (1518, 14216), (1777, 12144), (2024, 10662), (3036, 7108), (3554, 6072), (4048, 5331)]