21123706

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{24169}}^1$

素因数の和:24213

約数の個数: 16

約数和(自身を含む): 34804800

約数和(自身を除く): 13681094

約数列:

[1, 2, 19, 23, 38, 46, 437, 874, 24169, 48338, 459211, 555887, 918422, 1111774, 10561853, 21123706]

約数ペア:

[(1, 21123706), (2, 10561853), (19, 1111774), (23, 918422), (38, 555887), (46, 459211), (437, 48338), (874, 24169)]