21583617

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{1607}}^1$

素因数の和:1669

約数の個数: 24

約数和(自身を含む): 32507328

約数和(自身を除く): 10923711

約数列:

[1, 3, 11, 33, 37, 111, 121, 363, 407, 1221, 1607, 4477, 4821, 13431, 17677, 53031, 59459, 178377, 194447, 583341, 654049, 1962147, 7194539, 21583617]

約数ペア:

[(1, 21583617), (3, 7194539), (11, 1962147), (33, 654049), (37, 583341), (111, 194447), (121, 178377), (363, 59459), (407, 53031), (1221, 17677), (1607, 13431), (4477, 4821)]