21604539

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{34457}}^1$

素因数の和:34490

約数の個数: 16

約数和(自身を含む): 33079680

約数和(自身を除く): 11475141

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 34457, 103371, 379027, 654683, 1137081, 1964049, 7201513, 21604539]

約数ペア:

[(1, 21604539), (3, 7201513), (11, 1964049), (19, 1137081), (33, 654683), (57, 379027), (209, 103371), (627, 34457)]