21821756

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{21563}}^1$

素因数の和:21601

約数の個数: 24

約数和(自身を含む): 43473024

約数和(自身を除く): 21651268

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 1012, 21563, 43126, 86252, 237193, 474386, 495949, 948772, 991898, 1983796, 5455439, 10910878, 21821756]

約数ペア:

[(1, 21821756), (2, 10910878), (4, 5455439), (11, 1983796), (22, 991898), (23, 948772), (44, 495949), (46, 474386), (92, 237193), (253, 86252), (506, 43126), (1012, 21563)]