21375321

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{463}}^1\times {\mathrm{1399}}^1$

素因数の和:1876

約数の個数: 16

約数和(自身を含む): 31180800

約数和(自身を除く): 9805479

約数列:

[1, 3, 11, 33, 463, 1389, 1399, 4197, 5093, 15279, 15389, 46167, 647737, 1943211, 7125107, 21375321]

約数ペア:

[(1, 21375321), (3, 7125107), (11, 1943211), (33, 647737), (463, 46167), (1389, 15389), (1399, 15279), (4197, 5093)]