21406176

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{233}}^1$

素因数の和:289

約数の個数: 144

約数和(自身を含む): 68992560

約数和(自身を除く): 47586384

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 29, 32, 33, 36, 44, 48, 58, 66, 72, 87, 88, 96, 99, 116, 132, 144, 174, 176, 198, 232, 233, 261, 264, 288, 319, 348, 352, 396, 464, 466, 522, 528, 638, 696, 699, 792, 928, 932, 957, 1044, 1056, 1276, 1392, 1398, 1584, 1864, 1914, 2088, 2097, 2552, 2563, 2784, 2796, 2871, 3168, 3728, 3828, 4176, 4194, 5104, 5126, 5592, 5742, 6757, 7456, 7656, 7689, 8352, 8388, 10208, 10252, 11184, 11484, 13514, 15312, 15378, 16776, 20271, 20504, 22368, 22968, 23067, 27028, 30624, 30756, 33552, 40542, 41008, 45936, 46134, 54056, 60813, 61512, 67104, 74327, 81084, 82016, 91872, 92268, 108112, 121626, 123024, 148654, 162168, 184536, 216224, 222981, 243252, 246048, 297308, 324336, 369072, 445962, 486504, 594616, 648672, 668943, 738144, 891924, 973008, 1189232, 1337886, 1783848, 1946016, 2378464, 2675772, 3567696, 5351544, 7135392, 10703088, 21406176]

約数ペア:

[(1, 21406176), (2, 10703088), (3, 7135392), (4, 5351544), (6, 3567696), (8, 2675772), (9, 2378464), (11, 1946016), (12, 1783848), (16, 1337886), (18, 1189232), (22, 973008), (24, 891924), (29, 738144), (32, 668943), (33, 648672), (36, 594616), (44, 486504), (48, 445962), (58, 369072), (66, 324336), (72, 297308), (87, 246048), (88, 243252), (96, 222981), (99, 216224), (116, 184536), (132, 162168), (144, 148654), (174, 123024), (176, 121626), (198, 108112), (232, 92268), (233, 91872), (261, 82016), (264, 81084), (288, 74327), (319, 67104), (348, 61512), (352, 60813), (396, 54056), (464, 46134), (466, 45936), (522, 41008), (528, 40542), (638, 33552), (696, 30756), (699, 30624), (792, 27028), (928, 23067), (932, 22968), (957, 22368), (1044, 20504), (1056, 20271), (1276, 16776), (1392, 15378), (1398, 15312), (1584, 13514), (1864, 11484), (1914, 11184), (2088, 10252), (2097, 10208), (2552, 8388), (2563, 8352), (2784, 7689), (2796, 7656), (2871, 7456), (3168, 6757), (3728, 5742), (3828, 5592), (4176, 5126), (4194, 5104)]