21961144

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{5209}}^1$

素因数の和:5263

約数の個数: 32

約数和(自身を含む): 45014400

約数和(自身を除く): 23053256

約数列:

[1, 2, 4, 8, 17, 31, 34, 62, 68, 124, 136, 248, 527, 1054, 2108, 4216, 5209, 10418, 20836, 41672, 88553, 161479, 177106, 322958, 354212, 645916, 708424, 1291832, 2745143, 5490286, 10980572, 21961144]

約数ペア:

[(1, 21961144), (2, 10980572), (4, 5490286), (8, 2745143), (17, 1291832), (31, 708424), (34, 645916), (62, 354212), (68, 322958), (124, 177106), (136, 161479), (248, 88553), (527, 41672), (1054, 20836), (2108, 10418), (4216, 5209)]