21251931

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{4597}}^1$

素因数の和:4690

約数の個数: 16

約数和(自身を含む): 30015744

約数和(自身を除く): 8763813

約数列:

[1, 3, 23, 67, 69, 201, 1541, 4597, 4623, 13791, 105731, 307999, 317193, 923997, 7083977, 21251931]

約数ペア:

[(1, 21251931), (3, 7083977), (23, 923997), (67, 317193), (69, 307999), (201, 105731), (1541, 13791), (4597, 4623)]