21036678

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{269701}}^1$

素因数の和:269719

約数の個数: 16

約数和(自身を含む): 45309936

約数和(自身を除く): 24273258

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 269701, 539402, 809103, 1618206, 3506113, 7012226, 10518339, 21036678]

約数ペア:

[(1, 21036678), (2, 10518339), (3, 7012226), (6, 3506113), (13, 1618206), (26, 809103), (39, 539402), (78, 269701)]