21036705548

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{1523}}^1\times {\mathrm{43711}}^1$

素因数の和:45317

約数の個数: 24

約数和(自身を含む): 37305569280

約数和(自身を除く): 16268863732

約数列:

[1, 2, 4, 79, 158, 316, 1523, 3046, 6092, 43711, 87422, 120317, 174844, 240634, 481268, 3453169, 6906338, 13812676, 66571853, 133143706, 266287412, 5259176387, 10518352774, 21036705548]

約数ペア:

[(1, 21036705548), (2, 10518352774), (4, 5259176387), (79, 266287412), (158, 133143706), (316, 66571853), (1523, 13812676), (3046, 6906338), (6092, 3453169), (43711, 481268), (87422, 240634), (120317, 174844)]