21498232

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{5407}}^1$

素因数の和:5491

約数の個数: 32

約数和(自身を含む): 46725120

約数和(自身を除く): 25226888

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 994, 1988, 3976, 5407, 10814, 21628, 37849, 43256, 75698, 151396, 302792, 383897, 767794, 1535588, 2687279, 3071176, 5374558, 10749116, 21498232]

約数ペア:

[(1, 21498232), (2, 10749116), (4, 5374558), (7, 3071176), (8, 2687279), (14, 1535588), (28, 767794), (56, 383897), (71, 302792), (142, 151396), (284, 75698), (497, 43256), (568, 37849), (994, 21628), (1988, 10814), (3976, 5407)]