21293184

素因数分解:

$2^7\times 3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^2$

素因数の和:170

約数の個数: 96

約数和(自身を含む): 62583120

約数和(自身を除く): 41289936

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 64, 66, 71, 88, 96, 128, 132, 142, 176, 192, 213, 264, 284, 352, 384, 426, 528, 568, 704, 781, 852, 1056, 1136, 1408, 1562, 1704, 2112, 2272, 2343, 3124, 3408, 4224, 4544, 4686, 5041, 6248, 6816, 9088, 9372, 10082, 12496, 13632, 15123, 18744, 20164, 24992, 27264, 30246, 37488, 40328, 49984, 55451, 60492, 74976, 80656, 99968, 110902, 120984, 149952, 161312, 166353, 221804, 241968, 299904, 322624, 332706, 443608, 483936, 645248, 665412, 887216, 967872, 1330824, 1774432, 1935744, 2661648, 3548864, 5323296, 7097728, 10646592, 21293184]

約数ペア:

[(1, 21293184), (2, 10646592), (3, 7097728), (4, 5323296), (6, 3548864), (8, 2661648), (11, 1935744), (12, 1774432), (16, 1330824), (22, 967872), (24, 887216), (32, 665412), (33, 645248), (44, 483936), (48, 443608), (64, 332706), (66, 322624), (71, 299904), (88, 241968), (96, 221804), (128, 166353), (132, 161312), (142, 149952), (176, 120984), (192, 110902), (213, 99968), (264, 80656), (284, 74976), (352, 60492), (384, 55451), (426, 49984), (528, 40328), (568, 37488), (704, 30246), (781, 27264), (852, 24992), (1056, 20164), (1136, 18744), (1408, 15123), (1562, 13632), (1704, 12496), (2112, 10082), (2272, 9372), (2343, 9088), (3124, 6816), (3408, 6248), (4224, 5041), (4544, 4686)]