221564742

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{51217}}^1$

素因数の和:51332

約数の個数: 32

約数和(自身を含む): 511360512

約数和(自身を除く): 289795770

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 103, 206, 309, 618, 721, 1442, 2163, 4326, 51217, 102434, 153651, 307302, 358519, 717038, 1075557, 2151114, 5275351, 10550702, 15826053, 31652106, 36927457, 73854914, 110782371, 221564742]

約数ペア:

[(1, 221564742), (2, 110782371), (3, 73854914), (6, 36927457), (7, 31652106), (14, 15826053), (21, 10550702), (42, 5275351), (103, 2151114), (206, 1075557), (309, 717038), (618, 358519), (721, 307302), (1442, 153651), (2163, 102434), (4326, 51217)]