21697606

素因数分解:

$2^1\times 7^1\times {\mathrm{1231}}^1\times {\mathrm{1259}}^1$

素因数の和:2499

約数の個数: 16

約数和(自身を含む): 37255680

約数和(自身を除く): 15558074

約数列:

[1, 2, 7, 14, 1231, 1259, 2462, 2518, 8617, 8813, 17234, 17626, 1549829, 3099658, 10848803, 21697606]

約数ペア:

[(1, 21697606), (2, 10848803), (7, 3099658), (14, 1549829), (1231, 17626), (1259, 17234), (2462, 8813), (2518, 8617)]