21436434

素因数分解:

$2^1\times 3^3\times {\mathrm{396971}}^1$

素因数の和:396982

約数の個数: 16

約数和(自身を含む): 47636640

約数和(自身を除く): 26200206

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 396971, 793942, 1190913, 2381826, 3572739, 7145478, 10718217, 21436434]

約数ペア:

[(1, 21436434), (2, 10718217), (3, 7145478), (6, 3572739), (9, 2381826), (18, 1190913), (27, 793942), (54, 396971)]