21698876168

素因数分解:

$2^3\times {\mathrm{359}}^1\times {\mathrm{7555319}}^1$

素因数の和:7555684

約数の個数: 16

約数和(自身を含む): 40798728000

約数和(自身を除く): 19099851832

約数列:

[1, 2, 4, 8, 359, 718, 1436, 2872, 7555319, 15110638, 30221276, 60442552, 2712359521, 5424719042, 10849438084, 21698876168]

約数ペア:

[(1, 21698876168), (2, 10849438084), (4, 5424719042), (8, 2712359521), (359, 60442552), (718, 30221276), (1436, 15110638), (2872, 7555319)]