21049595

素因数分解:

$5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{5839}}^1$

素因数の和:5954

約数の個数: 16

約数和(自身を含む): 29153280

約数和(自身を除く): 8103685

約数列:

[1, 5, 7, 35, 103, 515, 721, 3605, 5839, 29195, 40873, 204365, 601417, 3007085, 4209919, 21049595]

約数ペア:

[(1, 21049595), (5, 4209919), (7, 3007085), (35, 601417), (103, 204365), (515, 40873), (721, 29195), (3605, 5839)]