21719103679

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{1549}}^1\times {\mathrm{154081}}^1$

素因数の和:155650

約数の個数: 16

約数和(自身を含む): 26748635200

約数和(自身を除く): 5029531521

約数列:

[1, 7, 13, 91, 1549, 10843, 20137, 140959, 154081, 1078567, 2003053, 14021371, 238671469, 1670700283, 3102729097, 21719103679]

約数ペア:

[(1, 21719103679), (7, 3102729097), (13, 1670700283), (91, 238671469), (1549, 14021371), (10843, 2003053), (20137, 1078567), (140959, 154081)]