21720006008

素因数分解:

$2^3\times {\mathrm{7537}}^1\times {\mathrm{360223}}^1$

素因数の和:367766

約数の個数: 16

約数和(自身を含む): 40730527680

約数和(自身を除く): 19010521672

約数列:

[1, 2, 4, 8, 7537, 15074, 30148, 60296, 360223, 720446, 1440892, 2881784, 2715000751, 5430001502, 10860003004, 21720006008]

約数ペア:

[(1, 21720006008), (2, 10860003004), (4, 5430001502), (8, 2715000751), (7537, 2881784), (15074, 1440892), (30148, 720446), (60296, 360223)]