21429504

素因数分解:

$2^8\times 3^2\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:224

約数の個数: 108

約数和(自身を含む): 63135072

約数和(自身を除く): 41705568

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 71, 72, 96, 128, 131, 142, 144, 192, 213, 256, 262, 284, 288, 384, 393, 426, 524, 568, 576, 639, 768, 786, 852, 1048, 1136, 1152, 1179, 1278, 1572, 1704, 2096, 2272, 2304, 2358, 2556, 3144, 3408, 4192, 4544, 4716, 5112, 6288, 6816, 8384, 9088, 9301, 9432, 10224, 12576, 13632, 16768, 18176, 18602, 18864, 20448, 25152, 27264, 27903, 33536, 37204, 37728, 40896, 50304, 54528, 55806, 74408, 75456, 81792, 83709, 100608, 111612, 148816, 150912, 163584, 167418, 223224, 297632, 301824, 334836, 446448, 595264, 669672, 892896, 1190528, 1339344, 1785792, 2381056, 2678688, 3571584, 5357376, 7143168, 10714752, 21429504]

約数ペア:

[(1, 21429504), (2, 10714752), (3, 7143168), (4, 5357376), (6, 3571584), (8, 2678688), (9, 2381056), (12, 1785792), (16, 1339344), (18, 1190528), (24, 892896), (32, 669672), (36, 595264), (48, 446448), (64, 334836), (71, 301824), (72, 297632), (96, 223224), (128, 167418), (131, 163584), (142, 150912), (144, 148816), (192, 111612), (213, 100608), (256, 83709), (262, 81792), (284, 75456), (288, 74408), (384, 55806), (393, 54528), (426, 50304), (524, 40896), (568, 37728), (576, 37204), (639, 33536), (768, 27903), (786, 27264), (852, 25152), (1048, 20448), (1136, 18864), (1152, 18602), (1179, 18176), (1278, 16768), (1572, 13632), (1704, 12576), (2096, 10224), (2272, 9432), (2304, 9301), (2358, 9088), (2556, 8384), (3144, 6816), (3408, 6288), (4192, 5112), (4544, 4716)]