21808656

素因数分解:

$2^4\times 3^3\times {\mathrm{19}}^1\times {\mathrm{2657}}^1$

素因数の和:2693

約数の個数: 80

約数和(自身を含む): 65918400

約数和(自身を除く): 44109744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 36, 38, 48, 54, 57, 72, 76, 108, 114, 144, 152, 171, 216, 228, 304, 342, 432, 456, 513, 684, 912, 1026, 1368, 2052, 2657, 2736, 4104, 5314, 7971, 8208, 10628, 15942, 21256, 23913, 31884, 42512, 47826, 50483, 63768, 71739, 95652, 100966, 127536, 143478, 151449, 191304, 201932, 286956, 302898, 382608, 403864, 454347, 573912, 605796, 807728, 908694, 1147824, 1211592, 1363041, 1817388, 2423184, 2726082, 3634776, 5452164, 7269552, 10904328, 21808656]

約数ペア:

[(1, 21808656), (2, 10904328), (3, 7269552), (4, 5452164), (6, 3634776), (8, 2726082), (9, 2423184), (12, 1817388), (16, 1363041), (18, 1211592), (19, 1147824), (24, 908694), (27, 807728), (36, 605796), (38, 573912), (48, 454347), (54, 403864), (57, 382608), (72, 302898), (76, 286956), (108, 201932), (114, 191304), (144, 151449), (152, 143478), (171, 127536), (216, 100966), (228, 95652), (304, 71739), (342, 63768), (432, 50483), (456, 47826), (513, 42512), (684, 31884), (912, 23913), (1026, 21256), (1368, 15942), (2052, 10628), (2657, 8208), (2736, 7971), (4104, 5314)]