21235568

素因数分解:

$2^4\times {\mathrm{359}}^1\times {\mathrm{3697}}^1$

素因数の和:4064

約数の個数: 20

約数和(自身を含む): 41269680

約数和(自身を除く): 20034112

約数列:

[1, 2, 4, 8, 16, 359, 718, 1436, 2872, 3697, 5744, 7394, 14788, 29576, 59152, 1327223, 2654446, 5308892, 10617784, 21235568]

約数ペア:

[(1, 21235568), (2, 10617784), (4, 5308892), (8, 2654446), (16, 1327223), (359, 59152), (718, 29576), (1436, 14788), (2872, 7394), (3697, 5744)]