21093215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29501}}^1$

素因数の和:29530

約数の個数: 16

約数和(自身を含む): 29738016

約数和(自身を除く): 8644801

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 29501, 147505, 324511, 383513, 1622555, 1917565, 4218643, 21093215]

約数ペア:

[(1, 21093215), (5, 4218643), (11, 1917565), (13, 1622555), (55, 383513), (65, 324511), (143, 147505), (715, 29501)]