21341001

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{349}}^1$

素因数の和:489

約数の個数: 32

約数和(自身を含む): 33264000

約数和(自身を除く): 11922999

約数列:

[1, 3, 11, 17, 33, 51, 109, 187, 327, 349, 561, 1047, 1199, 1853, 3597, 3839, 5559, 5933, 11517, 17799, 20383, 38041, 61149, 65263, 114123, 195789, 418451, 646697, 1255353, 1940091, 7113667, 21341001]

約数ペア:

[(1, 21341001), (3, 7113667), (11, 1940091), (17, 1255353), (33, 646697), (51, 418451), (109, 195789), (187, 114123), (327, 65263), (349, 61149), (561, 38041), (1047, 20383), (1199, 17799), (1853, 11517), (3597, 5933), (3839, 5559)]