21176288

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:184

約数の個数: 96

約数和(自身を含む): 51819264

約数和(自身を除く): 30642976

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 67, 68, 83, 112, 119, 134, 136, 166, 224, 238, 268, 272, 332, 469, 476, 536, 544, 581, 664, 938, 952, 1072, 1139, 1162, 1328, 1411, 1876, 1904, 2144, 2278, 2324, 2656, 2822, 3752, 3808, 4556, 4648, 5561, 5644, 7504, 7973, 9112, 9296, 9877, 11122, 11288, 15008, 15946, 18224, 18592, 19754, 22244, 22576, 31892, 36448, 38927, 39508, 44488, 45152, 63784, 77854, 79016, 88976, 94537, 127568, 155708, 158032, 177952, 189074, 255136, 311416, 316064, 378148, 622832, 661759, 756296, 1245664, 1323518, 1512592, 2647036, 3025184, 5294072, 10588144, 21176288]

約数ペア:

[(1, 21176288), (2, 10588144), (4, 5294072), (7, 3025184), (8, 2647036), (14, 1512592), (16, 1323518), (17, 1245664), (28, 756296), (32, 661759), (34, 622832), (56, 378148), (67, 316064), (68, 311416), (83, 255136), (112, 189074), (119, 177952), (134, 158032), (136, 155708), (166, 127568), (224, 94537), (238, 88976), (268, 79016), (272, 77854), (332, 63784), (469, 45152), (476, 44488), (536, 39508), (544, 38927), (581, 36448), (664, 31892), (938, 22576), (952, 22244), (1072, 19754), (1139, 18592), (1162, 18224), (1328, 15946), (1411, 15008), (1876, 11288), (1904, 11122), (2144, 9877), (2278, 9296), (2324, 9112), (2656, 7973), (2822, 7504), (3752, 5644), (3808, 5561), (4556, 4648)]