21104006

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19577}}^1$

素因数の和:19604

約数の個数: 24

約数和(自身を含む): 40174056

約数和(自身を除く): 19070050

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, 1078, 19577, 39154, 137039, 215347, 274078, 430694, 959273, 1507429, 1918546, 3014858, 10552003, 21104006]

約数ペア:

[(1, 21104006), (2, 10552003), (7, 3014858), (11, 1918546), (14, 1507429), (22, 959273), (49, 430694), (77, 274078), (98, 215347), (154, 137039), (539, 39154), (1078, 19577)]