21000455424

素因数分解:

$2^8\times 3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{13229}}^1$

素因数の和:13317

約数の個数: 216

約数和(自身を含む): 66442488840

約数和(自身を除く): 45442033416

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 53, 64, 72, 78, 96, 104, 106, 117, 128, 144, 156, 159, 192, 208, 212, 234, 256, 288, 312, 318, 384, 416, 424, 468, 477, 576, 624, 636, 689, 768, 832, 848, 936, 954, 1152, 1248, 1272, 1378, 1664, 1696, 1872, 1908, 2067, 2304, 2496, 2544, 2756, 3328, 3392, 3744, 3816, 4134, 4992, 5088, 5512, 6201, 6784, 7488, 7632, 8268, 9984, 10176, 11024, 12402, 13229, 13568, 14976, 15264, 16536, 20352, 22048, 24804, 26458, 29952, 30528, 33072, 39687, 40704, 44096, 49608, 52916, 61056, 66144, 79374, 88192, 99216, 105832, 119061, 122112, 132288, 158748, 171977, 176384, 198432, 211664, 238122, 264576, 317496, 343954, 396864, 423328, 476244, 515931, 529152, 634992, 687908, 701137, 793728, 846656, 952488, 1031862, 1269984, 1375816, 1402274, 1547793, 1587456, 1693312, 1904976, 2063724, 2103411, 2539968, 2751632, 2804548, 3095586, 3386624, 3809952, 4127448, 4206822, 5079936, 5503264, 5609096, 6191172, 6310233, 7619904, 8254896, 8413644, 9114781, 10159872, 11006528, 11218192, 12382344, 12620466, 15239808, 16509792, 16827288, 18229562, 22013056, 22436384, 24764688, 25240932, 27344343, 30479616, 33019584, 33654576, 36459124, 44026112, 44872768, 49529376, 50481864, 54688686, 66039168, 67309152, 72918248, 82033029, 89745536, 99058752, 100963728, 109377372, 132078336, 134618304, 145836496, 164066058, 179491072, 198117504, 201927456, 218754744, 269236608, 291672992, 328132116, 396235008, 403854912, 437509488, 538473216, 583345984, 656264232, 807709824, 875018976, 1166691968, 1312528464, 1615419648, 1750037952, 2333383936, 2625056928, 3500075904, 5250113856, 7000151808, 10500227712, 21000455424]

約数ペア:

[(1, 21000455424), (2, 10500227712), (3, 7000151808), (4, 5250113856), (6, 3500075904), (8, 2625056928), (9, 2333383936), (12, 1750037952), (13, 1615419648), (16, 1312528464), (18, 1166691968), (24, 875018976), (26, 807709824), (32, 656264232), (36, 583345984), (39, 538473216), (48, 437509488), (52, 403854912), (53, 396235008), (64, 328132116), (72, 291672992), (78, 269236608), (96, 218754744), (104, 201927456), (106, 198117504), (117, 179491072), (128, 164066058), (144, 145836496), (156, 134618304), (159, 132078336), (192, 109377372), (208, 100963728), (212, 99058752), (234, 89745536), (256, 82033029), (288, 72918248), (312, 67309152), (318, 66039168), (384, 54688686), (416, 50481864), (424, 49529376), (468, 44872768), (477, 44026112), (576, 36459124), (624, 33654576), (636, 33019584), (689, 30479616), (768, 27344343), (832, 25240932), (848, 24764688), (936, 22436384), (954, 22013056), (1152, 18229562), (1248, 16827288), (1272, 16509792), (1378, 15239808), (1664, 12620466), (1696, 12382344), (1872, 11218192), (1908, 11006528), (2067, 10159872), (2304, 9114781), (2496, 8413644), (2544, 8254896), (2756, 7619904), (3328, 6310233), (3392, 6191172), (3744, 5609096), (3816, 5503264), (4134, 5079936), (4992, 4206822), (5088, 4127448), (5512, 3809952), (6201, 3386624), (6784, 3095586), (7488, 2804548), (7632, 2751632), (8268, 2539968), (9984, 2103411), (10176, 2063724), (11024, 1904976), (12402, 1693312), (13229, 1587456), (13568, 1547793), (14976, 1402274), (15264, 1375816), (16536, 1269984), (20352, 1031862), (22048, 952488), (24804, 846656), (26458, 793728), (29952, 701137), (30528, 687908), (33072, 634992), (39687, 529152), (40704, 515931), (44096, 476244), (49608, 423328), (52916, 396864), (61056, 343954), (66144, 317496), (79374, 264576), (88192, 238122), (99216, 211664), (105832, 198432), (119061, 176384), (122112, 171977), (132288, 158748)]