21004028639

素因数分解:

${\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{2659}}^1\times {\mathrm{2861}}^1$

素因数の和:5782

約数の個数: 16

約数和(自身を含む): 23021470080

約数和(自身を除く): 2017441441

約数列:

[1, 11, 251, 2659, 2761, 2861, 29249, 31471, 667409, 718111, 7341499, 7607399, 7899221, 83681389, 1909457149, 21004028639]

約数ペア:

[(1, 21004028639), (11, 1909457149), (251, 83681389), (2659, 7899221), (2761, 7607399), (2861, 7341499), (29249, 718111), (31471, 667409)]