21672768

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1$

素因数の和:504

約数の個数: 112

約数和(自身を含む): 65145920

約数和(自身を除く): 43473152

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 32, 38, 39, 48, 52, 57, 64, 76, 78, 96, 104, 114, 152, 156, 192, 208, 228, 247, 304, 312, 416, 456, 457, 494, 608, 624, 741, 832, 912, 914, 988, 1216, 1248, 1371, 1482, 1824, 1828, 1976, 2496, 2742, 2964, 3648, 3656, 3952, 5484, 5928, 5941, 7312, 7904, 8683, 10968, 11856, 11882, 14624, 15808, 17366, 17823, 21936, 23712, 23764, 26049, 29248, 34732, 35646, 43872, 47424, 47528, 52098, 69464, 71292, 87744, 95056, 104196, 112879, 138928, 142584, 190112, 208392, 225758, 277856, 285168, 338637, 380224, 416784, 451516, 555712, 570336, 677274, 833568, 903032, 1140672, 1354548, 1667136, 1806064, 2709096, 3612128, 5418192, 7224256, 10836384, 21672768]

約数ペア:

[(1, 21672768), (2, 10836384), (3, 7224256), (4, 5418192), (6, 3612128), (8, 2709096), (12, 1806064), (13, 1667136), (16, 1354548), (19, 1140672), (24, 903032), (26, 833568), (32, 677274), (38, 570336), (39, 555712), (48, 451516), (52, 416784), (57, 380224), (64, 338637), (76, 285168), (78, 277856), (96, 225758), (104, 208392), (114, 190112), (152, 142584), (156, 138928), (192, 112879), (208, 104196), (228, 95056), (247, 87744), (304, 71292), (312, 69464), (416, 52098), (456, 47528), (457, 47424), (494, 43872), (608, 35646), (624, 34732), (741, 29248), (832, 26049), (912, 23764), (914, 23712), (988, 21936), (1216, 17823), (1248, 17366), (1371, 15808), (1482, 14624), (1824, 11882), (1828, 11856), (1976, 10968), (2496, 8683), (2742, 7904), (2964, 7312), (3648, 5941), (3656, 5928), (3952, 5484)]