21062909

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{877}}^1$

素因数の和:1004

約数の個数: 16

約数和(自身を含む): 24949248

約数和(自身を除く): 3886339

約数列:

[1, 7, 47, 73, 329, 511, 877, 3431, 6139, 24017, 41219, 64021, 288533, 448147, 3008987, 21062909]

約数ペア:

[(1, 21062909), (7, 3008987), (47, 448147), (73, 288533), (329, 64021), (511, 41219), (877, 24017), (3431, 6139)]