21141248

素因数分解:

$2^8\times {\mathrm{269}}^1\times {\mathrm{307}}^1$

素因数の和:592

約数の個数: 36

約数和(自身を含む): 42494760

約数和(自身を除く): 21353512

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 269, 307, 538, 614, 1076, 1228, 2152, 2456, 4304, 4912, 8608, 9824, 17216, 19648, 34432, 39296, 68864, 78592, 82583, 165166, 330332, 660664, 1321328, 2642656, 5285312, 10570624, 21141248]

約数ペア:

[(1, 21141248), (2, 10570624), (4, 5285312), (8, 2642656), (16, 1321328), (32, 660664), (64, 330332), (128, 165166), (256, 82583), (269, 78592), (307, 68864), (538, 39296), (614, 34432), (1076, 19648), (1228, 17216), (2152, 9824), (2456, 8608), (4304, 4912)]