21454941

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1\times {\mathrm{617}}^1$

素因数の和:860

約数の個数: 16

約数和(自身を含む): 29248704

約数和(自身を除く): 7793763

約数列:

[1, 3, 67, 173, 201, 519, 617, 1851, 11591, 34773, 41339, 106741, 124017, 320223, 7151647, 21454941]

約数ペア:

[(1, 21454941), (3, 7151647), (67, 320223), (173, 124017), (201, 106741), (519, 41339), (617, 34773), (1851, 11591)]