21036938

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{1553}}^1$

素因数の和:2089

約数の個数: 16

約数和(自身を含む): 34069896

約数和(自身を除く): 13032958

約数列:

[1, 2, 13, 26, 521, 1042, 1553, 3106, 6773, 13546, 20189, 40378, 809113, 1618226, 10518469, 21036938]

約数ペア:

[(1, 21036938), (2, 10518469), (13, 1618226), (26, 809113), (521, 40378), (1042, 20189), (1553, 13546), (3106, 6773)]