21491756

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37573}}^1$

素因数の和:37601

約数の個数: 24

約数和(自身を含む): 44187024

約数和(自身を除く): 22695268

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 37573, 75146, 150292, 413303, 488449, 826606, 976898, 1653212, 1953796, 5372939, 10745878, 21491756]

約数ペア:

[(1, 21491756), (2, 10745878), (4, 5372939), (11, 1953796), (13, 1653212), (22, 976898), (26, 826606), (44, 488449), (52, 413303), (143, 150292), (286, 75146), (572, 37573)]