21288597

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{751}}^1\times {\mathrm{859}}^1$

素因数の和:1624

約数の個数: 16

約数和(自身を含む): 31042560

約数和(自身を除く): 9753963

約数列:

[1, 3, 11, 33, 751, 859, 2253, 2577, 8261, 9449, 24783, 28347, 645109, 1935327, 7096199, 21288597]

約数ペア:

[(1, 21288597), (3, 7096199), (11, 1935327), (33, 645109), (751, 28347), (859, 24783), (2253, 9449), (2577, 8261)]