21482316

素因数分解:

$2^2\times 3^2\times {\mathrm{409}}^1\times {\mathrm{1459}}^1$

素因数の和:1878

約数の個数: 36

約数和(自身を含む): 54472600

約数和(自身を除く): 32990284

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 409, 818, 1227, 1459, 1636, 2454, 2918, 3681, 4377, 4908, 5836, 7362, 8754, 13131, 14724, 17508, 26262, 52524, 596731, 1193462, 1790193, 2386924, 3580386, 5370579, 7160772, 10741158, 21482316]

約数ペア:

[(1, 21482316), (2, 10741158), (3, 7160772), (4, 5370579), (6, 3580386), (9, 2386924), (12, 1790193), (18, 1193462), (36, 596731), (409, 52524), (818, 26262), (1227, 17508), (1459, 14724), (1636, 13131), (2454, 8754), (2918, 7362), (3681, 5836), (4377, 4908)]