21518116

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{3041}}^1$

素因数の和:3135

約数の個数: 24

約数和(自身を含む): 39606840

約数和(自身を除く): 18088724

約数列:

[1, 2, 4, 29, 58, 61, 116, 122, 244, 1769, 3041, 3538, 6082, 7076, 12164, 88189, 176378, 185501, 352756, 371002, 742004, 5379529, 10759058, 21518116]

約数ペア:

[(1, 21518116), (2, 10759058), (4, 5379529), (29, 742004), (58, 371002), (61, 352756), (116, 185501), (122, 176378), (244, 88189), (1769, 12164), (3041, 7076), (3538, 6082)]