21760492

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{418471}}^1$

素因数の和:418488

約数の個数: 12

約数和(自身を含む): 41010256

約数和(自身を除く): 19249764

約数列:

[1, 2, 4, 13, 26, 52, 418471, 836942, 1673884, 5440123, 10880246, 21760492]

約数ペア:

[(1, 21760492), (2, 10880246), (4, 5440123), (13, 1673884), (26, 836942), (52, 418471)]