21870982

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{22003}}^1$

素因数の和:22083

約数の個数: 16

約数和(自身を含む): 38022912

約数和(自身を除く): 16151930

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 22003, 44006, 154021, 308042, 1562213, 3124426, 10935491, 21870982]

約数ペア:

[(1, 21870982), (2, 10935491), (7, 3124426), (14, 1562213), (71, 308042), (142, 154021), (497, 44006), (994, 22003)]