21170248

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{240571}}^1$

素因数の和:240588

約数の個数: 16

約数和(自身を含む): 43302960

約数和(自身を除く): 22132712

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 240571, 481142, 962284, 1924568, 2646281, 5292562, 10585124, 21170248]

約数ペア:

[(1, 21170248), (2, 10585124), (4, 5292562), (8, 2646281), (11, 1924568), (22, 962284), (44, 481142), (88, 240571)]