21889353

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{18661}}^1$

素因数の和:18704

約数の個数: 16

約数和(自身を含む): 32247936

約数和(自身を除く): 10358583

約数列:

[1, 3, 17, 23, 51, 69, 391, 1173, 18661, 55983, 317237, 429203, 951711, 1287609, 7296451, 21889353]

約数ペア:

[(1, 21889353), (3, 7296451), (17, 1287609), (23, 951711), (51, 429203), (69, 317237), (391, 55983), (1173, 18661)]