21910053

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{28867}}^1$

素因数の和:28904

約数の個数: 16

約数和(自身を含む): 33255936

約数和(自身を除く): 11345883

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 28867, 86601, 317537, 663941, 952611, 1991823, 7303351, 21910053]

約数ペア:

[(1, 21910053), (3, 7303351), (11, 1991823), (23, 952611), (33, 663941), (69, 317537), (253, 86601), (759, 28867)]