21156708

素因数分解:

$2^2\times 3^1\times {\mathrm{311}}^1\times {\mathrm{5669}}^1$

素因数の和:5987

約数の個数: 24

約数和(自身を含む): 49533120

約数和(自身を除く): 28376412

約数列:

[1, 2, 3, 4, 6, 12, 311, 622, 933, 1244, 1866, 3732, 5669, 11338, 17007, 22676, 34014, 68028, 1763059, 3526118, 5289177, 7052236, 10578354, 21156708]

約数ペア:

[(1, 21156708), (2, 10578354), (3, 7052236), (4, 5289177), (6, 3526118), (12, 1763059), (311, 68028), (622, 34014), (933, 22676), (1244, 17007), (1866, 11338), (3732, 5669)]