21290147223

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{2381}}^1\times {\mathrm{56237}}^1$

素因数の和:58674

約数の個数: 16

約数和(自身を含む): 28935125856

約数和(自身を除く): 7644978633

約数列:

[1, 3, 53, 159, 2381, 7143, 56237, 126193, 168711, 378579, 2980561, 8941683, 133900297, 401700891, 7096715741, 21290147223]

約数ペア:

[(1, 21290147223), (3, 7096715741), (53, 401700891), (159, 133900297), (2381, 8941683), (7143, 2980561), (56237, 378579), (126193, 168711)]