21068576

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{38729}}^1$

素因数の和:38756

約数の個数: 24

約数和(自身を含む): 43919820

約数和(自身を除く): 22851244

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 38729, 77458, 154916, 309832, 619664, 658393, 1239328, 1316786, 2633572, 5267144, 10534288, 21068576]

約数ペア:

[(1, 21068576), (2, 10534288), (4, 5267144), (8, 2633572), (16, 1316786), (17, 1239328), (32, 658393), (34, 619664), (68, 309832), (136, 154916), (272, 77458), (544, 38729)]