21497664

素因数分解:

$2^6\times 3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:188

約数の個数: 112

約数和(自身を含む): 61447680

約数和(自身を除く): 39950016

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 57, 64, 71, 76, 83, 96, 114, 142, 152, 166, 192, 213, 228, 249, 284, 304, 332, 426, 456, 498, 568, 608, 664, 852, 912, 996, 1136, 1216, 1328, 1349, 1577, 1704, 1824, 1992, 2272, 2656, 2698, 3154, 3408, 3648, 3984, 4047, 4544, 4731, 5312, 5396, 5893, 6308, 6816, 7968, 8094, 9462, 10792, 11786, 12616, 13632, 15936, 16188, 17679, 18924, 21584, 23572, 25232, 32376, 35358, 37848, 43168, 47144, 50464, 64752, 70716, 75696, 86336, 94288, 100928, 111967, 129504, 141432, 151392, 188576, 223934, 259008, 282864, 302784, 335901, 377152, 447868, 565728, 671802, 895736, 1131456, 1343604, 1791472, 2687208, 3582944, 5374416, 7165888, 10748832, 21497664]

約数ペア:

[(1, 21497664), (2, 10748832), (3, 7165888), (4, 5374416), (6, 3582944), (8, 2687208), (12, 1791472), (16, 1343604), (19, 1131456), (24, 895736), (32, 671802), (38, 565728), (48, 447868), (57, 377152), (64, 335901), (71, 302784), (76, 282864), (83, 259008), (96, 223934), (114, 188576), (142, 151392), (152, 141432), (166, 129504), (192, 111967), (213, 100928), (228, 94288), (249, 86336), (284, 75696), (304, 70716), (332, 64752), (426, 50464), (456, 47144), (498, 43168), (568, 37848), (608, 35358), (664, 32376), (852, 25232), (912, 23572), (996, 21584), (1136, 18924), (1216, 17679), (1328, 16188), (1349, 15936), (1577, 13632), (1704, 12616), (1824, 11786), (1992, 10792), (2272, 9462), (2656, 8094), (2698, 7968), (3154, 6816), (3408, 6308), (3648, 5893), (3984, 5396), (4047, 5312), (4544, 4731)]