21040791

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{4999}}^1$

素因数の和:5086

約数の個数: 16

約数和(自身を含む): 29760000

約数和(自身を除く): 8719209

約数列:

[1, 3, 23, 61, 69, 183, 1403, 4209, 4999, 14997, 114977, 304939, 344931, 914817, 7013597, 21040791]

約数ペア:

[(1, 21040791), (3, 7013597), (23, 914817), (61, 344931), (69, 304939), (183, 114977), (1403, 14997), (4209, 4999)]