21079734

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{2063}}^1$

素因数の和:2212

約数の個数: 32

約数和(自身を含む): 45771264

約数和(自身を除く): 24691530

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 131, 262, 393, 786, 1703, 2063, 3406, 4126, 5109, 6189, 10218, 12378, 26819, 53638, 80457, 160914, 270253, 540506, 810759, 1621518, 3513289, 7026578, 10539867, 21079734]

約数ペア:

[(1, 21079734), (2, 10539867), (3, 7026578), (6, 3513289), (13, 1621518), (26, 810759), (39, 540506), (78, 270253), (131, 160914), (262, 80457), (393, 53638), (786, 26819), (1703, 12378), (2063, 10218), (3406, 6189), (4126, 5109)]