21820744

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{10781}}^1$

素因数の和:10821

約数の個数: 32

約数和(自身を含む): 46578240

約数和(自身を除く): 24757496

約数列:

[1, 2, 4, 8, 11, 22, 23, 44, 46, 88, 92, 184, 253, 506, 1012, 2024, 10781, 21562, 43124, 86248, 118591, 237182, 247963, 474364, 495926, 948728, 991852, 1983704, 2727593, 5455186, 10910372, 21820744]

約数ペア:

[(1, 21820744), (2, 10910372), (4, 5455186), (8, 2727593), (11, 1983704), (22, 991852), (23, 948728), (44, 495926), (46, 474364), (88, 247963), (92, 237182), (184, 118591), (253, 86248), (506, 43124), (1012, 21562), (2024, 10781)]