21953569

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4567}}^1$

素因数の和:4620

約数の個数: 16

約数和(自身を含む): 26311680

約数和(自身を除く): 4358111

約数列:

[1, 11, 19, 23, 209, 253, 437, 4567, 4807, 50237, 86773, 105041, 954503, 1155451, 1995779, 21953569]

約数ペア:

[(1, 21953569), (11, 1995779), (19, 1155451), (23, 954503), (209, 105041), (253, 86773), (437, 50237), (4567, 4807)]