21160756

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{6791}}^1$

素因数の和:6855

約数の個数: 24

約数和(自身を含む): 39936960

約数和(自身を除く): 18776204

約数列:

[1, 2, 4, 19, 38, 41, 76, 82, 164, 779, 1558, 3116, 6791, 13582, 27164, 129029, 258058, 278431, 516116, 556862, 1113724, 5290189, 10580378, 21160756]

約数ペア:

[(1, 21160756), (2, 10580378), (4, 5290189), (19, 1113724), (38, 556862), (41, 516116), (76, 278431), (82, 258058), (164, 129029), (779, 27164), (1558, 13582), (3116, 6791)]