21325204

素因数分解:

$2^2\times {\mathrm{1031}}^1\times {\mathrm{5171}}^1$

素因数の和:6206

約数の個数: 12

約数和(自身を含む): 37362528

約数和(自身を除く): 16037324

約数列:

[1, 2, 4, 1031, 2062, 4124, 5171, 10342, 20684, 5331301, 10662602, 21325204]

約数ペア:

[(1, 21325204), (2, 10662602), (4, 5331301), (1031, 20684), (2062, 10342), (4124, 5171)]