21906368

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{37}}^1$

素因数の和:118

約数の個数: 84

約数和(自身を含む): 50441352

約数和(自身を除く): 28534984

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 32, 37, 44, 58, 64, 74, 88, 116, 148, 176, 232, 296, 319, 352, 407, 464, 592, 638, 704, 814, 841, 928, 1073, 1184, 1276, 1628, 1682, 1856, 2146, 2368, 2552, 3256, 3364, 4292, 5104, 6512, 6728, 8584, 9251, 10208, 11803, 13024, 13456, 17168, 18502, 20416, 23606, 26048, 26912, 31117, 34336, 37004, 47212, 53824, 62234, 68672, 74008, 94424, 124468, 148016, 188848, 248936, 296032, 342287, 377696, 497872, 592064, 684574, 755392, 995744, 1369148, 1991488, 2738296, 5476592, 10953184, 21906368]

約数ペア:

[(1, 21906368), (2, 10953184), (4, 5476592), (8, 2738296), (11, 1991488), (16, 1369148), (22, 995744), (29, 755392), (32, 684574), (37, 592064), (44, 497872), (58, 377696), (64, 342287), (74, 296032), (88, 248936), (116, 188848), (148, 148016), (176, 124468), (232, 94424), (296, 74008), (319, 68672), (352, 62234), (407, 53824), (464, 47212), (592, 37004), (638, 34336), (704, 31117), (814, 26912), (841, 26048), (928, 23606), (1073, 20416), (1184, 18502), (1276, 17168), (1628, 13456), (1682, 13024), (1856, 11803), (2146, 10208), (2368, 9251), (2552, 8584), (3256, 6728), (3364, 6512), (4292, 5104)]