21028434

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{500677}}^1$

素因数の和:500689

約数の個数: 16

約数和(自身を含む): 48065088

約数和(自身を除く): 27036654

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 500677, 1001354, 1502031, 3004062, 3504739, 7009478, 10514217, 21028434]

約数ペア:

[(1, 21028434), (2, 10514217), (3, 7009478), (6, 3504739), (7, 3004062), (14, 1502031), (21, 1001354), (42, 500677)]