21037458

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{20747}}^1$

素因数の和:20778

約数の個数: 24

約数和(自身を含む): 45562608

約数和(自身を除く): 24525150

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 169, 338, 507, 1014, 20747, 41494, 62241, 124482, 269711, 539422, 809133, 1618266, 3506243, 7012486, 10518729, 21037458]

約数ペア:

[(1, 21037458), (2, 10518729), (3, 7012486), (6, 3506243), (13, 1618266), (26, 809133), (39, 539422), (78, 269711), (169, 124482), (338, 62241), (507, 41494), (1014, 20747)]