21622317

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{1381}}^1$

素因数の和:1708

約数の個数: 16

約数和(自身を含む): 30647232

約数和(自身を除く): 9024915

約数列:

[1, 3, 17, 51, 307, 921, 1381, 4143, 5219, 15657, 23477, 70431, 423967, 1271901, 7207439, 21622317]

約数ペア:

[(1, 21622317), (3, 7207439), (17, 1271901), (51, 423967), (307, 70431), (921, 23477), (1381, 15657), (4143, 5219)]