21051296

素因数分解:

$2^5\times 7^1\times {\mathrm{93979}}^1$

素因数の和:93996

約数の個数: 24

約数和(自身を含む): 47365920

約数和(自身を除く): 26314624

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 93979, 187958, 375916, 657853, 751832, 1315706, 1503664, 2631412, 3007328, 5262824, 10525648, 21051296]

約数ペア:

[(1, 21051296), (2, 10525648), (4, 5262824), (7, 3007328), (8, 2631412), (14, 1503664), (16, 1315706), (28, 751832), (32, 657853), (56, 375916), (112, 187958), (224, 93979)]