21928478

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{76673}}^1$

素因数の和:76699

約数の個数: 16

約数和(自身を含む): 38643696

約数和(自身を除く): 16715218

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 76673, 153346, 843403, 996749, 1686806, 1993498, 10964239, 21928478]

約数ペア:

[(1, 21928478), (2, 10964239), (11, 1993498), (13, 1686806), (22, 996749), (26, 843403), (143, 153346), (286, 76673)]