21817408

素因数分解:

$2^6\times {\mathrm{340897}}^1$

素因数の和:340909

約数の個数: 14

約数和(自身を含む): 43294046

約数和(自身を除く): 21476638

約数列:

[1, 2, 4, 8, 16, 32, 64, 340897, 681794, 1363588, 2727176, 5454352, 10908704, 21817408]

約数ペア:

[(1, 21817408), (2, 10908704), (4, 5454352), (8, 2727176), (16, 1363588), (32, 681794), (64, 340897)]