21556128

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1$

素因数の和:310

約数の個数: 96

約数和(自身を含む): 62596800

約数和(自身を除く): 41040672

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 66, 88, 96, 132, 137, 149, 176, 264, 274, 298, 352, 411, 447, 528, 548, 596, 822, 894, 1056, 1096, 1192, 1507, 1639, 1644, 1788, 2192, 2384, 3014, 3278, 3288, 3576, 4384, 4521, 4768, 4917, 6028, 6556, 6576, 7152, 9042, 9834, 12056, 13112, 13152, 14304, 18084, 19668, 20413, 24112, 26224, 36168, 39336, 40826, 48224, 52448, 61239, 72336, 78672, 81652, 122478, 144672, 157344, 163304, 224543, 244956, 326608, 449086, 489912, 653216, 673629, 898172, 979824, 1347258, 1796344, 1959648, 2694516, 3592688, 5389032, 7185376, 10778064, 21556128]

約数ペア:

[(1, 21556128), (2, 10778064), (3, 7185376), (4, 5389032), (6, 3592688), (8, 2694516), (11, 1959648), (12, 1796344), (16, 1347258), (22, 979824), (24, 898172), (32, 673629), (33, 653216), (44, 489912), (48, 449086), (66, 326608), (88, 244956), (96, 224543), (132, 163304), (137, 157344), (149, 144672), (176, 122478), (264, 81652), (274, 78672), (298, 72336), (352, 61239), (411, 52448), (447, 48224), (528, 40826), (548, 39336), (596, 36168), (822, 26224), (894, 24112), (1056, 20413), (1096, 19668), (1192, 18084), (1507, 14304), (1639, 13152), (1644, 13112), (1788, 12056), (2192, 9834), (2384, 9042), (3014, 7152), (3278, 6576), (3288, 6556), (3576, 6028), (4384, 4917), (4521, 4768)]