21961732

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{10301}}^1$

素因数の和:10359

約数の個数: 24

約数和(自身を含む): 42403032

約数和(自身を除く): 20441300

約数列:

[1, 2, 4, 13, 26, 41, 52, 82, 164, 533, 1066, 2132, 10301, 20602, 41204, 133913, 267826, 422341, 535652, 844682, 1689364, 5490433, 10980866, 21961732]

約数ペア:

[(1, 21961732), (2, 10980866), (4, 5490433), (13, 1689364), (26, 844682), (41, 535652), (52, 422341), (82, 267826), (164, 133913), (533, 41204), (1066, 20602), (2132, 10301)]