21846789

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{509}}^1$

素因数の和:785

約数の個数: 24

約数和(自身を含む): 33415200

約数和(自身を除く): 11568411

約数列:

[1, 3, 9, 19, 57, 171, 251, 509, 753, 1527, 2259, 4581, 4769, 9671, 14307, 29013, 42921, 87039, 127759, 383277, 1149831, 2427421, 7282263, 21846789]

約数ペア:

[(1, 21846789), (3, 7282263), (9, 2427421), (19, 1149831), (57, 383277), (171, 127759), (251, 87039), (509, 42921), (753, 29013), (1527, 14307), (2259, 9671), (4581, 4769)]