21007041

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{3517}}^1$

素因数の和:3712

約数の個数: 16

約数和(自身を含む): 30733248

約数和(自身を除く): 9726207

約数列:

[1, 3, 11, 33, 181, 543, 1991, 3517, 5973, 10551, 38687, 116061, 636577, 1909731, 7002347, 21007041]

約数ペア:

[(1, 21007041), (3, 7002347), (11, 1909731), (33, 636577), (181, 116061), (543, 38687), (1991, 10551), (3517, 5973)]