21166005

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{201581}}^1$

素因数の和:201596

約数の個数: 16

約数和(自身を含む): 38703744

約数和(自身を除く): 17537739

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 201581, 604743, 1007905, 1411067, 3023715, 4233201, 7055335, 21166005]

約数ペア:

[(1, 21166005), (3, 7055335), (5, 4233201), (7, 3023715), (15, 1411067), (21, 1007905), (35, 604743), (105, 201581)]