21920416

素因数分解:

$2^5\times 7^1\times {\mathrm{97859}}^1$

素因数の和:97876

約数の個数: 24

約数和(自身を含む): 49321440

約数和(自身を除く): 27401024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 97859, 195718, 391436, 685013, 782872, 1370026, 1565744, 2740052, 3131488, 5480104, 10960208, 21920416]

約数ペア:

[(1, 21920416), (2, 10960208), (4, 5480104), (7, 3131488), (8, 2740052), (14, 1565744), (16, 1370026), (28, 782872), (32, 685013), (56, 391436), (112, 195718), (224, 97859)]