21406496

素因数分解:

$2^5\times {\mathrm{307}}^1\times {\mathrm{2179}}^1$

素因数の和:2496

約数の個数: 24

約数和(自身を含む): 42300720

約数和(自身を除く): 20894224

約数列:

[1, 2, 4, 8, 16, 32, 307, 614, 1228, 2179, 2456, 4358, 4912, 8716, 9824, 17432, 34864, 69728, 668953, 1337906, 2675812, 5351624, 10703248, 21406496]

約数ペア:

[(1, 21406496), (2, 10703248), (4, 5351624), (8, 2675812), (16, 1337906), (32, 668953), (307, 69728), (614, 34864), (1228, 17432), (2179, 9824), (2456, 8716), (4358, 4912)]