21059923

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{577}}^1$

素因数の和:726

約数の個数: 16

約数和(自身を含む): 23721120

約数和(自身を除く): 2661197

約数列:

[1, 17, 19, 113, 323, 577, 1921, 2147, 9809, 10963, 36499, 65201, 186371, 1108417, 1238819, 21059923]

約数ペア:

[(1, 21059923), (17, 1238819), (19, 1108417), (113, 186371), (323, 65201), (577, 36499), (1921, 10963), (2147, 9809)]