21036741

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{443}}^1\times {\mathrm{1439}}^1$

素因数の和:1896

約数の個数: 16

約数和(自身を含む): 30689280

約数和(自身を除く): 9652539

約数列:

[1, 3, 11, 33, 443, 1329, 1439, 4317, 4873, 14619, 15829, 47487, 637477, 1912431, 7012247, 21036741]

約数ペア:

[(1, 21036741), (3, 7012247), (11, 1912431), (33, 637477), (443, 47487), (1329, 15829), (1439, 14619), (4317, 4873)]