21245667

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{9091}}^1$

素因数の和:9154

約数の個数: 16

約数和(自身を含む): 30549120

約数和(自身を除く): 9303453

約数列:

[1, 3, 19, 41, 57, 123, 779, 2337, 9091, 27273, 172729, 372731, 518187, 1118193, 7081889, 21245667]

約数ペア:

[(1, 21245667), (3, 7081889), (19, 1118193), (41, 518187), (57, 372731), (123, 172729), (779, 27273), (2337, 9091)]