21884416

素因数分解:

$2^9\times {\mathrm{42743}}^1$

素因数の和:42761

約数の個数: 20

約数和(自身を含む): 43727112

約数和(自身を除く): 21842696

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 42743, 85486, 170972, 341944, 683888, 1367776, 2735552, 5471104, 10942208, 21884416]

約数ペア:

[(1, 21884416), (2, 10942208), (4, 5471104), (8, 2735552), (16, 1367776), (32, 683888), (64, 341944), (128, 170972), (256, 85486), (512, 42743)]