21801614721

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{154621381}}^1$

素因数の和:154621431

約数の個数: 8

約数和(自身を含む): 29687305344

約数和(自身を除く): 7885690623

約数列:

[1, 3, 47, 141, 154621381, 463864143, 7267204907, 21801614721]

約数ペア:

[(1, 21801614721), (3, 7267204907), (47, 463864143), (141, 154621381)]