21412689

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{983}}^1$

素因数の和:1176

約数の個数: 16

約数和(自身を含む): 29331072

約数和(自身を除く): 7918383

約数列:

[1, 3, 53, 137, 159, 411, 983, 2949, 7261, 21783, 52099, 134671, 156297, 404013, 7137563, 21412689]

約数ペア:

[(1, 21412689), (3, 7137563), (53, 404013), (137, 156297), (159, 134671), (411, 52099), (983, 21783), (2949, 7261)]