21992452

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{521}}^1$

素因数の和:759

約数の個数: 24

約数和(自身を含む): 39419352

約数和(自身を除く): 17426900

約数列:

[1, 2, 4, 61, 122, 173, 244, 346, 521, 692, 1042, 2084, 10553, 21106, 31781, 42212, 63562, 90133, 127124, 180266, 360532, 5498113, 10996226, 21992452]

約数ペア:

[(1, 21992452), (2, 10996226), (4, 5498113), (61, 360532), (122, 180266), (173, 127124), (244, 90133), (346, 63562), (521, 42212), (692, 31781), (1042, 21106), (2084, 10553)]