21147212

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{4337}}^1$

素因数の和:4417

約数の個数: 24

約数和(自身を含む): 39354336

約数和(自身を除く): 18207124

約数列:

[1, 2, 4, 23, 46, 53, 92, 106, 212, 1219, 2438, 4337, 4876, 8674, 17348, 99751, 199502, 229861, 399004, 459722, 919444, 5286803, 10573606, 21147212]

約数ペア:

[(1, 21147212), (2, 10573606), (4, 5286803), (23, 919444), (46, 459722), (53, 399004), (92, 229861), (106, 199502), (212, 99751), (1219, 17348), (2438, 8674), (4337, 4876)]