21909070946

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{68040593}}^1$

素因数の和:68040625

約数の個数: 16

約数和(自身を含む): 39191382144

約数和(自身を除く): 17282311198

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 68040593, 136081186, 476284151, 952568302, 1564933639, 3129867278, 10954535473, 21909070946]

約数ペア:

[(1, 21909070946), (2, 10954535473), (7, 3129867278), (14, 1564933639), (23, 952568302), (46, 476284151), (161, 136081186), (322, 68040593)]