21292004447

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{22870037}}^1$

素因数の和:22870070

約数の個数: 12

約数和(自身を含む): 26071843320

約数和(自身を除く): 4779838873

約数列:

[1, 7, 19, 49, 133, 931, 22870037, 160090259, 434530703, 1120631813, 3041714921, 21292004447]

約数ペア:

[(1, 21292004447), (7, 3041714921), (19, 1120631813), (49, 434530703), (133, 160090259), (931, 22870037)]