21054587113

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{769}}^1\times {\mathrm{170057}}^1$

素因数の和:170856

約数の個数: 16

約数和(自身を含む): 25141374720

約数和(自身を除く): 4086787607

約数列:

[1, 7, 23, 161, 769, 5383, 17687, 123809, 170057, 1190399, 3911311, 27379177, 130773833, 915416831, 3007798159, 21054587113]

約数ペア:

[(1, 21054587113), (7, 3007798159), (23, 915416831), (161, 130773833), (769, 27379177), (5383, 3911311), (17687, 1190399), (123809, 170057)]