21838642

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1031}}^1$

素因数の和:1146

約数の個数: 32

約数和(自身を含む): 40124160

約数和(自身を除く): 18285518

約数列:

[1, 2, 7, 14, 17, 34, 89, 119, 178, 238, 623, 1031, 1246, 1513, 2062, 3026, 7217, 10591, 14434, 17527, 21182, 35054, 91759, 122689, 183518, 245378, 642313, 1284626, 1559903, 3119806, 10919321, 21838642]

約数ペア:

[(1, 21838642), (2, 10919321), (7, 3119806), (14, 1559903), (17, 1284626), (34, 642313), (89, 245378), (119, 183518), (178, 122689), (238, 91759), (623, 35054), (1031, 21182), (1246, 17527), (1513, 14434), (2062, 10591), (3026, 7217)]