21844718

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2003}}^1$

素因数の和:2072

約数の個数: 32

約数和(自身を含む): 40400640

約数和(自身を除く): 18555922

約数列:

[1, 2, 7, 14, 19, 38, 41, 82, 133, 266, 287, 574, 779, 1558, 2003, 4006, 5453, 10906, 14021, 28042, 38057, 76114, 82123, 164246, 266399, 532798, 574861, 1149722, 1560337, 3120674, 10922359, 21844718]

約数ペア:

[(1, 21844718), (2, 10922359), (7, 3120674), (14, 1560337), (19, 1149722), (38, 574861), (41, 532798), (82, 266399), (133, 164246), (266, 82123), (287, 76114), (574, 38057), (779, 28042), (1558, 14021), (2003, 10906), (4006, 5453)]