21842254

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{29437}}^1$

素因数の和:29499

約数の個数: 16

約数和(自身を含む): 38151648

約数和(自身を除く): 16309394

約数列:

[1, 2, 7, 14, 53, 106, 371, 742, 29437, 58874, 206059, 412118, 1560161, 3120322, 10921127, 21842254]

約数ペア:

[(1, 21842254), (2, 10921127), (7, 3120322), (14, 1560161), (53, 412118), (106, 206059), (371, 58874), (742, 29437)]