21881406

素因数分解:

$2^1\times 3^1\times {\mathrm{239}}^1\times {\mathrm{15259}}^1$

素因数の和:15503

約数の個数: 16

約数和(自身を含む): 43948800

約数和(自身を除く): 22067394

約数列:

[1, 2, 3, 6, 239, 478, 717, 1434, 15259, 30518, 45777, 91554, 3646901, 7293802, 10940703, 21881406]

約数ペア:

[(1, 21881406), (2, 10940703), (3, 7293802), (6, 3646901), (239, 91554), (478, 45777), (717, 30518), (1434, 15259)]