21345242

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{7607}}^1$

素因数の和:7693

約数の個数: 16

約数和(自身を含む): 33962112

約数和(自身を除く): 12616870

約数列:

[1, 2, 23, 46, 61, 122, 1403, 2806, 7607, 15214, 174961, 349922, 464027, 928054, 10672621, 21345242]

約数ペア:

[(1, 21345242), (2, 10672621), (23, 928054), (46, 464027), (61, 349922), (122, 174961), (1403, 15214), (2806, 7607)]