21009032928

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{16651}}^1$

素因数の和:17017

約数の個数: 144

約数和(自身を含む): 64534959216

約数和(自身を除く): 43525926288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 288, 312, 337, 416, 468, 624, 674, 936, 1011, 1248, 1348, 1872, 2022, 2696, 3033, 3744, 4044, 4381, 5392, 6066, 8088, 8762, 10784, 12132, 13143, 16176, 16651, 17524, 24264, 26286, 32352, 33302, 35048, 39429, 48528, 49953, 52572, 66604, 70096, 78858, 97056, 99906, 105144, 133208, 140192, 149859, 157716, 199812, 210288, 216463, 266416, 299718, 315432, 399624, 420576, 432926, 532832, 599436, 630864, 649389, 799248, 865852, 1198872, 1261728, 1298778, 1598496, 1731704, 1948167, 2397744, 2597556, 3463408, 3896334, 4795488, 5195112, 5611387, 6926816, 7792668, 10390224, 11222774, 15585336, 16834161, 20780448, 22445548, 31170672, 33668322, 44891096, 50502483, 62341344, 67336644, 72948031, 89782192, 101004966, 134673288, 145896062, 179564384, 202009932, 218844093, 269346576, 291792124, 404019864, 437688186, 538693152, 583584248, 656532279, 808039728, 875376372, 1167168496, 1313064558, 1616079456, 1750752744, 2334336992, 2626129116, 3501505488, 5252258232, 7003010976, 10504516464, 21009032928]

約数ペア:

[(1, 21009032928), (2, 10504516464), (3, 7003010976), (4, 5252258232), (6, 3501505488), (8, 2626129116), (9, 2334336992), (12, 1750752744), (13, 1616079456), (16, 1313064558), (18, 1167168496), (24, 875376372), (26, 808039728), (32, 656532279), (36, 583584248), (39, 538693152), (48, 437688186), (52, 404019864), (72, 291792124), (78, 269346576), (96, 218844093), (104, 202009932), (117, 179564384), (144, 145896062), (156, 134673288), (208, 101004966), (234, 89782192), (288, 72948031), (312, 67336644), (337, 62341344), (416, 50502483), (468, 44891096), (624, 33668322), (674, 31170672), (936, 22445548), (1011, 20780448), (1248, 16834161), (1348, 15585336), (1872, 11222774), (2022, 10390224), (2696, 7792668), (3033, 6926816), (3744, 5611387), (4044, 5195112), (4381, 4795488), (5392, 3896334), (6066, 3463408), (8088, 2597556), (8762, 2397744), (10784, 1948167), (12132, 1731704), (13143, 1598496), (16176, 1298778), (16651, 1261728), (17524, 1198872), (24264, 865852), (26286, 799248), (32352, 649389), (33302, 630864), (35048, 599436), (39429, 532832), (48528, 432926), (49953, 420576), (52572, 399624), (66604, 315432), (70096, 299718), (78858, 266416), (97056, 216463), (99906, 210288), (105144, 199812), (133208, 157716), (140192, 149859)]