21668064

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1$

素因数の和:129

約数の個数: 144

約数和(自身を含む): 66842496

約数和(自身を除く): 45174432

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 17, 22, 24, 32, 33, 34, 44, 48, 51, 66, 68, 71, 88, 96, 102, 132, 136, 142, 176, 187, 204, 213, 264, 272, 284, 289, 352, 374, 408, 426, 528, 544, 561, 568, 578, 748, 781, 816, 852, 867, 1056, 1122, 1136, 1156, 1207, 1496, 1562, 1632, 1704, 1734, 2244, 2272, 2312, 2343, 2414, 2992, 3124, 3179, 3408, 3468, 3621, 4488, 4624, 4686, 4828, 5984, 6248, 6358, 6816, 6936, 7242, 8976, 9248, 9372, 9537, 9656, 12496, 12716, 13277, 13872, 14484, 17952, 18744, 19074, 19312, 20519, 24992, 25432, 26554, 27744, 28968, 37488, 38148, 38624, 39831, 41038, 50864, 53108, 57936, 61557, 74976, 76296, 79662, 82076, 101728, 106216, 115872, 123114, 152592, 159324, 164152, 212432, 225709, 246228, 305184, 318648, 328304, 424864, 451418, 492456, 637296, 656608, 677127, 902836, 984912, 1274592, 1354254, 1805672, 1969824, 2708508, 3611344, 5417016, 7222688, 10834032, 21668064]

約数ペア:

[(1, 21668064), (2, 10834032), (3, 7222688), (4, 5417016), (6, 3611344), (8, 2708508), (11, 1969824), (12, 1805672), (16, 1354254), (17, 1274592), (22, 984912), (24, 902836), (32, 677127), (33, 656608), (34, 637296), (44, 492456), (48, 451418), (51, 424864), (66, 328304), (68, 318648), (71, 305184), (88, 246228), (96, 225709), (102, 212432), (132, 164152), (136, 159324), (142, 152592), (176, 123114), (187, 115872), (204, 106216), (213, 101728), (264, 82076), (272, 79662), (284, 76296), (289, 74976), (352, 61557), (374, 57936), (408, 53108), (426, 50864), (528, 41038), (544, 39831), (561, 38624), (568, 38148), (578, 37488), (748, 28968), (781, 27744), (816, 26554), (852, 25432), (867, 24992), (1056, 20519), (1122, 19312), (1136, 19074), (1156, 18744), (1207, 17952), (1496, 14484), (1562, 13872), (1632, 13277), (1704, 12716), (1734, 12496), (2244, 9656), (2272, 9537), (2312, 9372), (2343, 9248), (2414, 8976), (2992, 7242), (3124, 6936), (3179, 6816), (3408, 6358), (3468, 6248), (3621, 5984), (4488, 4828), (4624, 4686)]