21497862141

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{8322827}}^1$

素因数の和:8322881

約数の個数: 24

約数和(自身を含む): 36354112704

約数和(自身を除く): 14856250563

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 861, 2583, 8322827, 24968481, 58259789, 74905443, 174779367, 341235907, 524338101, 1023707721, 2388651349, 3071123163, 7165954047, 21497862141]

約数ペア:

[(1, 21497862141), (3, 7165954047), (7, 3071123163), (9, 2388651349), (21, 1023707721), (41, 524338101), (63, 341235907), (123, 174779367), (287, 74905443), (369, 58259789), (861, 24968481), (2583, 8322827)]