21028332

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{10369}}^1$

素因数の和:10402

約数の個数: 36

約数和(自身を含む): 53135880

約数和(自身を除く): 32107548

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 338, 507, 676, 1014, 2028, 10369, 20738, 31107, 41476, 62214, 124428, 134797, 269594, 404391, 539188, 808782, 1617564, 1752361, 3504722, 5257083, 7009444, 10514166, 21028332]

約数ペア:

[(1, 21028332), (2, 10514166), (3, 7009444), (4, 5257083), (6, 3504722), (12, 1752361), (13, 1617564), (26, 808782), (39, 539188), (52, 404391), (78, 269594), (156, 134797), (169, 124428), (338, 62214), (507, 41476), (676, 31107), (1014, 20738), (2028, 10369)]