21636484

素因数分解:

$2^2\times {\mathrm{131}}^1\times {\mathrm{157}}^1\times {\mathrm{263}}^1$

素因数の和:555

約数の個数: 24

約数和(自身を含む): 38541888

約数和(自身を除く): 16905404

約数列:

[1, 2, 4, 131, 157, 262, 263, 314, 524, 526, 628, 1052, 20567, 34453, 41134, 41291, 68906, 82268, 82582, 137812, 165164, 5409121, 10818242, 21636484]

約数ペア:

[(1, 21636484), (2, 10818242), (4, 5409121), (131, 165164), (157, 137812), (262, 82582), (263, 82268), (314, 68906), (524, 41291), (526, 41134), (628, 34453), (1052, 20567)]