21381906

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{39161}}^1$

素因数の和:39186

約数の個数: 32

約数和(自身を含む): 52633728

約数和(自身を除く): 31251822

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 273, 546, 39161, 78322, 117483, 234966, 274127, 509093, 548254, 822381, 1018186, 1527279, 1644762, 3054558, 3563651, 7127302, 10690953, 21381906]

約数ペア:

[(1, 21381906), (2, 10690953), (3, 7127302), (6, 3563651), (7, 3054558), (13, 1644762), (14, 1527279), (21, 1018186), (26, 822381), (39, 548254), (42, 509093), (78, 274127), (91, 234966), (182, 117483), (273, 78322), (546, 39161)]