21805055999

素因数分解:

${\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{90127}}^1$

素因数の和:90374

約数の個数: 16

約数和(自身を含む): 23240045568

約数和(自身を除く): 1434989569

約数列:

[1, 23, 67, 157, 1541, 3611, 10519, 90127, 241937, 2072921, 6038509, 14149939, 138885707, 325448597, 948045913, 21805055999]

約数ペア:

[(1, 21805055999), (23, 948045913), (67, 325448597), (157, 138885707), (1541, 14149939), (3611, 6038509), (10519, 2072921), (90127, 241937)]