21458512

素因数分解:

$2^4\times {\mathrm{193}}^1\times {\mathrm{6949}}^1$

素因数の和:7150

約数の個数: 20

約数和(自身を含む): 41797300

約数和(自身を除く): 20338788

約数列:

[1, 2, 4, 8, 16, 193, 386, 772, 1544, 3088, 6949, 13898, 27796, 55592, 111184, 1341157, 2682314, 5364628, 10729256, 21458512]

約数ペア:

[(1, 21458512), (2, 10729256), (4, 5364628), (8, 2682314), (16, 1341157), (193, 111184), (386, 55592), (772, 27796), (1544, 13898), (3088, 6949)]