21504908

素因数分解:

$2^2\times {\mathrm{23}}^2\times {\mathrm{10163}}^1$

素因数の和:10213

約数の個数: 18

約数和(自身を含む): 39344844

約数和(自身を除く): 17839936

約数列:

[1, 2, 4, 23, 46, 92, 529, 1058, 2116, 10163, 20326, 40652, 233749, 467498, 934996, 5376227, 10752454, 21504908]

約数ペア:

[(1, 21504908), (2, 10752454), (4, 5376227), (23, 934996), (46, 467498), (92, 233749), (529, 40652), (1058, 20326), (2116, 10163)]