20211328

素因数分解:

$2^7\times {\mathrm{157901}}^1$

素因数の和:157915

約数の個数: 16

約数和(自身を含む): 40265010

約数和(自身を除く): 20053682

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 157901, 315802, 631604, 1263208, 2526416, 5052832, 10105664, 20211328]

約数ペア:

[(1, 20211328), (2, 10105664), (4, 5052832), (8, 2526416), (16, 1263208), (32, 631604), (64, 315802), (128, 157901)]