21344942

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{13063}}^1$

素因数の和:13127

約数の個数: 16

約数和(自身を含む): 34488960

約数和(自身を除く): 13144018

約数列:

[1, 2, 19, 38, 43, 86, 817, 1634, 13063, 26126, 248197, 496394, 561709, 1123418, 10672471, 21344942]

約数ペア:

[(1, 21344942), (2, 10672471), (19, 1123418), (38, 561709), (43, 496394), (86, 248197), (817, 26126), (1634, 13063)]