21965456

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{14153}}^1$

素因数の和:14258

約数の個数: 20

約数和(自身を含む): 42999852

約数和(自身を除く): 21034396

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 776, 1552, 14153, 28306, 56612, 113224, 226448, 1372841, 2745682, 5491364, 10982728, 21965456]

約数ペア:

[(1, 21965456), (2, 10982728), (4, 5491364), (8, 2745682), (16, 1372841), (97, 226448), (194, 113224), (388, 56612), (776, 28306), (1552, 14153)]