21032018

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{51803}}^1$

素因数の和:51841

約数の個数: 16

約数和(自身を含む): 37298880

約数和(自身を除く): 16266862

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 51803, 103606, 362621, 725242, 1502287, 3004574, 10516009, 21032018]

約数ペア:

[(1, 21032018), (2, 10516009), (7, 3004574), (14, 1502287), (29, 725242), (58, 362621), (203, 103606), (406, 51803)]