21357816

素因数分解:

$2^3\times 3^1\times {\mathrm{889909}}^1$

素因数の和:889918

約数の個数: 16

約数和(自身を含む): 53394600

約数和(自身を除く): 32036784

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 889909, 1779818, 2669727, 3559636, 5339454, 7119272, 10678908, 21357816]

約数ペア:

[(1, 21357816), (2, 10678908), (3, 7119272), (4, 5339454), (6, 3559636), (8, 2669727), (12, 1779818), (24, 889909)]