21457574

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{24551}}^1$

素因数の和:24595

約数の個数: 16

約数和(自身を含む): 35354880

約数和(自身を除く): 13897306

約数列:

[1, 2, 19, 23, 38, 46, 437, 874, 24551, 49102, 466469, 564673, 932938, 1129346, 10728787, 21457574]

約数ペア:

[(1, 21457574), (2, 10728787), (19, 1129346), (23, 932938), (38, 564673), (46, 466469), (437, 49102), (874, 24551)]