21504219

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{34297}}^1$

素因数の和:34330

約数の個数: 16

約数和(自身を含む): 32926080

約数和(自身を除く): 11421861

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 34297, 102891, 377267, 651643, 1131801, 1954929, 7168073, 21504219]

約数ペア:

[(1, 21504219), (3, 7168073), (11, 1954929), (19, 1131801), (33, 651643), (57, 377267), (209, 102891), (627, 34297)]