21100928

素因数分解:

$2^7\times {\mathrm{353}}^1\times {\mathrm{467}}^1$

素因数の和:834

約数の個数: 32

約数和(自身を含む): 42246360

約数和(自身を除く): 21145432

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 353, 467, 706, 934, 1412, 1868, 2824, 3736, 5648, 7472, 11296, 14944, 22592, 29888, 45184, 59776, 164851, 329702, 659404, 1318808, 2637616, 5275232, 10550464, 21100928]

約数ペア:

[(1, 21100928), (2, 10550464), (4, 5275232), (8, 2637616), (16, 1318808), (32, 659404), (64, 329702), (128, 164851), (353, 59776), (467, 45184), (706, 29888), (934, 22592), (1412, 14944), (1868, 11296), (2824, 7472), (3736, 5648)]