21717072

素因数分解:

$2^4\times 3^4\times {\mathrm{13}}^1\times {\mathrm{1289}}^1$

素因数の和:1322

約数の個数: 100

約数和(自身を含む): 67743060

約数和(自身を除く): 46025988

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 36, 39, 48, 52, 54, 72, 78, 81, 104, 108, 117, 144, 156, 162, 208, 216, 234, 312, 324, 351, 432, 468, 624, 648, 702, 936, 1053, 1289, 1296, 1404, 1872, 2106, 2578, 2808, 3867, 4212, 5156, 5616, 7734, 8424, 10312, 11601, 15468, 16757, 16848, 20624, 23202, 30936, 33514, 34803, 46404, 50271, 61872, 67028, 69606, 92808, 100542, 104409, 134056, 139212, 150813, 185616, 201084, 208818, 268112, 278424, 301626, 402168, 417636, 452439, 556848, 603252, 804336, 835272, 904878, 1206504, 1357317, 1670544, 1809756, 2413008, 2714634, 3619512, 5429268, 7239024, 10858536, 21717072]

約数ペア:

[(1, 21717072), (2, 10858536), (3, 7239024), (4, 5429268), (6, 3619512), (8, 2714634), (9, 2413008), (12, 1809756), (13, 1670544), (16, 1357317), (18, 1206504), (24, 904878), (26, 835272), (27, 804336), (36, 603252), (39, 556848), (48, 452439), (52, 417636), (54, 402168), (72, 301626), (78, 278424), (81, 268112), (104, 208818), (108, 201084), (117, 185616), (144, 150813), (156, 139212), (162, 134056), (208, 104409), (216, 100542), (234, 92808), (312, 69606), (324, 67028), (351, 61872), (432, 50271), (468, 46404), (624, 34803), (648, 33514), (702, 30936), (936, 23202), (1053, 20624), (1289, 16848), (1296, 16757), (1404, 15468), (1872, 11601), (2106, 10312), (2578, 8424), (2808, 7734), (3867, 5616), (4212, 5156)]